Home / 10,120,280.76-15,175,857.14-5,000,714.69

Finding the Fourth Proportional to 10,120,280.76, 15,175,857.14 and 5,000,714.69

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Solution

The fourth proportional to 10,120,280.76, 15,175,857.14 and 5,000,714.69 is: 7,498,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,280.76 : 15,175,857.14 = 5,000,714.69 : x
  2. Step 2: Convert to fraction form
    10,120,280.76/15,175,857.14 = 5,000,714.69/x
  3. Step 3: Cross multiply
    10,120,280.76x = 15,175,857.14 × 5,000,714.69
  4. Step 4: Simplify right side
    10,120,280.76x = 75,890,131,733,339.39
  5. Step 5: Solve for x
    x = 75,890,131,733,339.39/10,120,280.76
  6. Step 6: Final answer
    x = 7,498,816.83

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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.