Home / 31,491,545.60-47,237,318.40-28,704,627.20

Finding the Fourth Proportional to 31,491,545.60, 47,237,318.40 and 28,704,627.20

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Solution

The fourth proportional to 31,491,545.60, 47,237,318.40 and 28,704,627.20 is: 43,056,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491,545.60 : 47,237,318.40 = 28,704,627.20 : x
  2. Step 2: Convert to fraction form
    31,491,545.60/47,237,318.40 = 28,704,627.20/x
  3. Step 3: Cross multiply
    31,491,545.60x = 47,237,318.40 × 28,704,627.20
  4. Step 4: Simplify right side
    31,491,545.60x = 1,355,929,614,599,700.50
  5. Step 5: Solve for x
    x = 1,355,929,614,599,700.50/31,491,545.60
  6. Step 6: Final answer
    x = 43,056,940.80

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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.