Home / 15,951,643.38-22,013,155.89-8,708,299.38

Finding the Fourth Proportional to 15,951,643.38, 22,013,155.89 and 8,708,299.38

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Solution

The fourth proportional to 15,951,643.38, 22,013,155.89 and 8,708,299.38 is: 12,017,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951,643.38 : 22,013,155.89 = 8,708,299.38 : x
  2. Step 2: Convert to fraction form
    15,951,643.38/22,013,155.89 = 8,708,299.38/x
  3. Step 3: Cross multiply
    15,951,643.38x = 22,013,155.89 × 8,708,299.38
  4. Step 4: Simplify right side
    15,951,643.38x = 191,697,151,788,730.38
  5. Step 5: Solve for x
    x = 191,697,151,788,730.38/15,951,643.38
  6. Step 6: Final answer
    x = 12,017,392.02

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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.