Home / 12,421,267.20-18,631,924.15-5,126,725.68

Finding the Fourth Proportional to 12,421,267.20, 18,631,924.15 and 5,126,725.68

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Solution

The fourth proportional to 12,421,267.20, 18,631,924.15 and 5,126,725.68 is: 7,690,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,267.20 : 18,631,924.15 = 5,126,725.68 : x
  2. Step 2: Convert to fraction form
    12,421,267.20/18,631,924.15 = 5,126,725.68/x
  3. Step 3: Cross multiply
    12,421,267.20x = 18,631,924.15 × 5,126,725.68
  4. Step 4: Simplify right side
    12,421,267.20x = 95,520,763,901,640.73
  5. Step 5: Solve for x
    x = 95,520,763,901,640.73/12,421,267.20
  6. Step 6: Final answer
    x = 7,690,098.15

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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.