Home / 10,385,589.39-15,564,458.77-8,082,862.91

Finding the Fourth Proportional to 10,385,589.39, 15,564,458.77 and 8,082,862.91

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Solution

The fourth proportional to 10,385,589.39, 15,564,458.77 and 8,082,862.91 is: 12,113,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,589.39 : 15,564,458.77 = 8,082,862.91 : x
  2. Step 2: Convert to fraction form
    10,385,589.39/15,564,458.77 = 8,082,862.91/x
  3. Step 3: Cross multiply
    10,385,589.39x = 15,564,458.77 × 8,082,862.91
  4. Step 4: Simplify right side
    10,385,589.39x = 125,805,386,506,257.22
  5. Step 5: Solve for x
    x = 125,805,386,506,257.22/10,385,589.39
  6. Step 6: Final answer
    x = 12,113,456.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.