Home / 40,011,132.96-55,215,419.51-21,676,418.46

Finding the Fourth Proportional to 40,011,132.96, 55,215,419.51 and 21,676,418.46

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Solution

The fourth proportional to 40,011,132.96, 55,215,419.51 and 21,676,418.46 is: 29,913,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,132.96 : 55,215,419.51 = 21,676,418.46 : x
  2. Step 2: Convert to fraction form
    40,011,132.96/55,215,419.51 = 21,676,418.46/x
  3. Step 3: Cross multiply
    40,011,132.96x = 55,215,419.51 × 21,676,418.46
  4. Step 4: Simplify right side
    40,011,132.96x = 1,196,872,538,797,399.25
  5. Step 5: Solve for x
    x = 1,196,872,538,797,399.25/40,011,132.96
  6. Step 6: Final answer
    x = 29,913,487.83

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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.