Home / 10,493,363.31-15,728,105.16-6,385,624.65

Finding the Fourth Proportional to 10,493,363.31, 15,728,105.16 and 6,385,624.65

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Solution

The fourth proportional to 10,493,363.31, 15,728,105.16 and 6,385,624.65 is: 9,571,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493,363.31 : 15,728,105.16 = 6,385,624.65 : x
  2. Step 2: Convert to fraction form
    10,493,363.31/15,728,105.16 = 6,385,624.65/x
  3. Step 3: Cross multiply
    10,493,363.31x = 15,728,105.16 × 6,385,624.65
  4. Step 4: Simplify right side
    10,493,363.31x = 100,433,776,007,488.20
  5. Step 5: Solve for x
    x = 100,433,776,007,488.20/10,493,363.31
  6. Step 6: Final answer
    x = 9,571,171.13

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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.