Home / 20,157,643.44-27,816,746.76-11,900,365.74

Finding the Fourth Proportional to 20,157,643.44, 27,816,746.76 and 11,900,365.74

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Solution

The fourth proportional to 20,157,643.44, 27,816,746.76 and 11,900,365.74 is: 16,422,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,643.44 : 27,816,746.76 = 11,900,365.74 : x
  2. Step 2: Convert to fraction form
    20,157,643.44/27,816,746.76 = 11,900,365.74/x
  3. Step 3: Cross multiply
    20,157,643.44x = 27,816,746.76 × 11,900,365.74
  4. Step 4: Simplify right side
    20,157,643.44x = 331,029,460,140,960
  5. Step 5: Solve for x
    x = 331,029,460,140,960/20,157,643.44
  6. Step 6: Final answer
    x = 16,422,031.73

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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.