Home / 12,861,154.08-17,747,417.52-7,059,013.92

Finding the Fourth Proportional to 12,861,154.08, 17,747,417.52 and 7,059,013.92

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Solution

The fourth proportional to 12,861,154.08, 17,747,417.52 and 7,059,013.92 is: 9,740,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,154.08 : 17,747,417.52 = 7,059,013.92 : x
  2. Step 2: Convert to fraction form
    12,861,154.08/17,747,417.52 = 7,059,013.92/x
  3. Step 3: Cross multiply
    12,861,154.08x = 17,747,417.52 × 7,059,013.92
  4. Step 4: Simplify right side
    12,861,154.08x = 125,279,267,317,731.88
  5. Step 5: Solve for x
    x = 125,279,267,317,731.88/12,861,154.08
  6. Step 6: Final answer
    x = 9,740,904.01

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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.