Home / 12,506,470.90-17,245,224.57-8,147,473.72

Finding the Fourth Proportional to 12,506,470.90, 17,245,224.57 and 8,147,473.72

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Solution

The fourth proportional to 12,506,470.90, 17,245,224.57 and 8,147,473.72 is: 11,234,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,470.90 : 17,245,224.57 = 8,147,473.72 : x
  2. Step 2: Convert to fraction form
    12,506,470.90/17,245,224.57 = 8,147,473.72/x
  3. Step 3: Cross multiply
    12,506,470.90x = 17,245,224.57 × 8,147,473.72
  4. Step 4: Simplify right side
    12,506,470.90x = 140,505,013,981,141.28
  5. Step 5: Solve for x
    x = 140,505,013,981,141.28/12,506,470.90
  6. Step 6: Final answer
    x = 11,234,585.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.