Home / 15,412,439.25-21,269,166.17-8,537,366.61

Finding the Fourth Proportional to 15,412,439.25, 21,269,166.17 and 8,537,366.61

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Solution

The fourth proportional to 15,412,439.25, 21,269,166.17 and 8,537,366.61 is: 11,781,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,439.25 : 21,269,166.17 = 8,537,366.61 : x
  2. Step 2: Convert to fraction form
    15,412,439.25/21,269,166.17 = 8,537,366.61/x
  3. Step 3: Cross multiply
    15,412,439.25x = 21,269,166.17 × 8,537,366.61
  4. Step 4: Simplify right side
    15,412,439.25x = 181,582,669,039,612.72
  5. Step 5: Solve for x
    x = 181,582,669,039,612.72/15,412,439.25
  6. Step 6: Final answer
    x = 11,781,565.92

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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.