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Finding the Fourth Proportional to 14,690,404.40, 22,019,860.20 and 5,588,985.20

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Solution

The fourth proportional to 14,690,404.40, 22,019,860.20 and 5,588,985.20 is: 8,377,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690,404.40 : 22,019,860.20 = 5,588,985.20 : x
  2. Step 2: Convert to fraction form
    14,690,404.40/22,019,860.20 = 5,588,985.20/x
  3. Step 3: Cross multiply
    14,690,404.40x = 22,019,860.20 × 5,588,985.20
  4. Step 4: Simplify right side
    14,690,404.40x = 123,068,672,763,869.05
  5. Step 5: Solve for x
    x = 123,068,672,763,869.05/14,690,404.40
  6. Step 6: Final answer
    x = 8,377,487.06

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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.