Home / 20,676,273.60-31,014,410.40-8,541,704.10

Finding the Fourth Proportional to 20,676,273.60, 31,014,410.40 and 8,541,704.10

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Solution

The fourth proportional to 20,676,273.60, 31,014,410.40 and 8,541,704.10 is: 12,812,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,273.60 : 31,014,410.40 = 8,541,704.10 : x
  2. Step 2: Convert to fraction form
    20,676,273.60/31,014,410.40 = 8,541,704.10/x
  3. Step 3: Cross multiply
    20,676,273.60x = 31,014,410.40 × 8,541,704.10
  4. Step 4: Simplify right side
    20,676,273.60x = 264,915,916,472,762.62
  5. Step 5: Solve for x
    x = 264,915,916,472,762.62/20,676,273.60
  6. Step 6: Final answer
    x = 12,812,556.15

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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.