Home / 38,128,074.32-52,617,094.82-20,724,460.49

Finding the Fourth Proportional to 38,128,074.32, 52,617,094.82 and 20,724,460.49

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Solution

The fourth proportional to 38,128,074.32, 52,617,094.82 and 20,724,460.49 is: 28,599,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,074.32 : 52,617,094.82 = 20,724,460.49 : x
  2. Step 2: Convert to fraction form
    38,128,074.32/52,617,094.82 = 20,724,460.49/x
  3. Step 3: Cross multiply
    38,128,074.32x = 52,617,094.82 × 20,724,460.49
  4. Step 4: Simplify right side
    38,128,074.32x = 1,090,460,902,328,965.75
  5. Step 5: Solve for x
    x = 1,090,460,902,328,965.75/38,128,074.32
  6. Step 6: Final answer
    x = 28,599,946.94

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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.