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Finding the Fourth Proportional to 8,034,016.40, 12,062,834.40 and 5,648,436.80

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Solution

The fourth proportional to 8,034,016.40, 12,062,834.40 and 5,648,436.80 is: 8,480,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034,016.40 : 12,062,834.40 = 5,648,436.80 : x
  2. Step 2: Convert to fraction form
    8,034,016.40/12,062,834.40 = 5,648,436.80/x
  3. Step 3: Cross multiply
    8,034,016.40x = 12,062,834.40 × 5,648,436.80
  4. Step 4: Simplify right side
    8,034,016.40x = 68,136,157,737,265.92
  5. Step 5: Solve for x
    x = 68,136,157,737,265.92/8,034,016.40
  6. Step 6: Final answer
    x = 8,480,958.26

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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.