Home / 15,951,642.88-22,013,155.20-8,708,298.88

Finding the Fourth Proportional to 15,951,642.88, 22,013,155.20 and 8,708,298.88

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Solution

The fourth proportional to 15,951,642.88, 22,013,155.20 and 8,708,298.88 is: 12,017,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951,642.88 : 22,013,155.20 = 8,708,298.88 : x
  2. Step 2: Convert to fraction form
    15,951,642.88/22,013,155.20 = 8,708,298.88/x
  3. Step 3: Cross multiply
    15,951,642.88x = 22,013,155.20 × 8,708,298.88
  4. Step 4: Simplify right side
    15,951,642.88x = 191,697,134,773,426.19
  5. Step 5: Solve for x
    x = 191,697,134,773,426.19/15,951,642.88
  6. Step 6: Final answer
    x = 12,017,391.33

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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.