Home / 16,128,520.70-24,192,781.05-13,105,211.90

Finding the Fourth Proportional to 16,128,520.70, 24,192,781.05 and 13,105,211.90

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Solution

The fourth proportional to 16,128,520.70, 24,192,781.05 and 13,105,211.90 is: 19,657,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,520.70 : 24,192,781.05 = 13,105,211.90 : x
  2. Step 2: Convert to fraction form
    16,128,520.70/24,192,781.05 = 13,105,211.90/x
  3. Step 3: Cross multiply
    16,128,520.70x = 24,192,781.05 × 13,105,211.90
  4. Step 4: Simplify right side
    16,128,520.70x = 317,051,522,110,554.50
  5. Step 5: Solve for x
    x = 317,051,522,110,554.50/16,128,520.70
  6. Step 6: Final answer
    x = 19,657,817.85

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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.