Home / 28,126,107,120.06-38,814,056,550.80-15,265,749,730.16

Finding the Fourth Proportional to 28,126,107,120.06, 38,814,056,550.80 and 15,265,749,730.16

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Solution

The fourth proportional to 28,126,107,120.06, 38,814,056,550.80 and 15,265,749,730.16 is: 21,066,750,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,107,120.06 : 38,814,056,550.80 = 15,265,749,730.16 : x
  2. Step 2: Convert to fraction form
    28,126,107,120.06/38,814,056,550.80 = 15,265,749,730.16/x
  3. Step 3: Cross multiply
    28,126,107,120.06x = 38,814,056,550.80 × 15,265,749,730.16
  4. Step 4: Simplify right side
    28,126,107,120.06x = 592,525,673,316,596,056,064
  5. Step 5: Solve for x
    x = 592,525,673,316,596,056,064/28,126,107,120.06
  6. Step 6: Final answer
    x = 21,066,750,218.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.