Home / 15,947,001.56-22,005,720.74-8,977,318.92

Finding the Fourth Proportional to 15,947,001.56, 22,005,720.74 and 8,977,318.92

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Solution

The fourth proportional to 15,947,001.56, 22,005,720.74 and 8,977,318.92 is: 12,388,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947,001.56 : 22,005,720.74 = 8,977,318.92 : x
  2. Step 2: Convert to fraction form
    15,947,001.56/22,005,720.74 = 8,977,318.92/x
  3. Step 3: Cross multiply
    15,947,001.56x = 22,005,720.74 × 8,977,318.92
  4. Step 4: Simplify right side
    15,947,001.56x = 197,552,373,147,438.38
  5. Step 5: Solve for x
    x = 197,552,373,147,438.38/15,947,001.56
  6. Step 6: Final answer
    x = 12,388,057.55

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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.