Home / 40,011,132.60-55,215,419.01-21,676,418.10

Finding the Fourth Proportional to 40,011,132.60, 55,215,419.01 and 21,676,418.10

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Solution

The fourth proportional to 40,011,132.60, 55,215,419.01 and 21,676,418.10 is: 29,913,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,132.60 : 55,215,419.01 = 21,676,418.10 : x
  2. Step 2: Convert to fraction form
    40,011,132.60/55,215,419.01 = 21,676,418.10/x
  3. Step 3: Cross multiply
    40,011,132.60x = 55,215,419.01 × 21,676,418.10
  4. Step 4: Simplify right side
    40,011,132.60x = 1,196,872,508,027,448
  5. Step 5: Solve for x
    x = 1,196,872,508,027,448/40,011,132.60
  6. Step 6: Final answer
    x = 29,913,487.33

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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.