Home / 8,986,543.60-13,479,815.40-5,585,321.20

Finding the Fourth Proportional to 8,986,543.60, 13,479,815.40 and 5,585,321.20

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Solution

The fourth proportional to 8,986,543.60, 13,479,815.40 and 5,585,321.20 is: 8,377,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,543.60 : 13,479,815.40 = 5,585,321.20 : x
  2. Step 2: Convert to fraction form
    8,986,543.60/13,479,815.40 = 5,585,321.20/x
  3. Step 3: Cross multiply
    8,986,543.60x = 13,479,815.40 × 5,585,321.20
  4. Step 4: Simplify right side
    8,986,543.60x = 75,289,098,725,706.48
  5. Step 5: Solve for x
    x = 75,289,098,725,706.48/8,986,543.60
  6. Step 6: Final answer
    x = 8,377,981.80

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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.