Home / 10,120,279.76-15,175,855.64-5,000,713.69

Finding the Fourth Proportional to 10,120,279.76, 15,175,855.64 and 5,000,713.69

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Solution

The fourth proportional to 10,120,279.76, 15,175,855.64 and 5,000,713.69 is: 7,498,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,279.76 : 15,175,855.64 = 5,000,713.69 : x
  2. Step 2: Convert to fraction form
    10,120,279.76/15,175,855.64 = 5,000,713.69/x
  3. Step 3: Cross multiply
    10,120,279.76x = 15,175,855.64 × 5,000,713.69
  4. Step 4: Simplify right side
    10,120,279.76x = 75,890,109,059,428.59
  5. Step 5: Solve for x
    x = 75,890,109,059,428.59/10,120,279.76
  6. Step 6: Final answer
    x = 7,498,815.34

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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.