Home / 14,915,553.42-20,584,540.89-9,115,444.74

Finding the Fourth Proportional to 14,915,553.42, 20,584,540.89 and 9,115,444.74

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Solution

The fourth proportional to 14,915,553.42, 20,584,540.89 and 9,115,444.74 is: 12,579,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915,553.42 : 20,584,540.89 = 9,115,444.74 : x
  2. Step 2: Convert to fraction form
    14,915,553.42/20,584,540.89 = 9,115,444.74/x
  3. Step 3: Cross multiply
    14,915,553.42x = 20,584,540.89 × 9,115,444.74
  4. Step 4: Simplify right side
    14,915,553.42x = 187,637,244,981,065.44
  5. Step 5: Solve for x
    x = 187,637,244,981,065.44/14,915,553.42
  6. Step 6: Final answer
    x = 12,579,972.04

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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.