Home / 21,350,469.60-32,025,704.40-7,884,511.20

Finding the Fourth Proportional to 21,350,469.60, 32,025,704.40 and 7,884,511.20

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Solution

The fourth proportional to 21,350,469.60, 32,025,704.40 and 7,884,511.20 is: 11,826,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350,469.60 : 32,025,704.40 = 7,884,511.20 : x
  2. Step 2: Convert to fraction form
    21,350,469.60/32,025,704.40 = 7,884,511.20/x
  3. Step 3: Cross multiply
    21,350,469.60x = 32,025,704.40 × 7,884,511.20
  4. Step 4: Simplify right side
    21,350,469.60x = 252,507,025,029,689.28
  5. Step 5: Solve for x
    x = 252,507,025,029,689.28/21,350,469.60
  6. Step 6: Final answer
    x = 11,826,766.80

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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.