Home / 14,171,805.80-21,260,819.10-6,986,781.80

Finding the Fourth Proportional to 14,171,805.80, 21,260,819.10 and 6,986,781.80

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Solution

The fourth proportional to 14,171,805.80, 21,260,819.10 and 6,986,781.80 is: 10,481,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,805.80 : 21,260,819.10 = 6,986,781.80 : x
  2. Step 2: Convert to fraction form
    14,171,805.80/21,260,819.10 = 6,986,781.80/x
  3. Step 3: Cross multiply
    14,171,805.80x = 21,260,819.10 × 6,986,781.80
  4. Step 4: Simplify right side
    14,171,805.80x = 148,544,703,940,972.38
  5. Step 5: Solve for x
    x = 148,544,703,940,972.38/14,171,805.80
  6. Step 6: Final answer
    x = 10,481,706.15

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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.