Home / 12,387,010.80-18,580,516.20-5,566,851.30

Finding the Fourth Proportional to 12,387,010.80, 18,580,516.20 and 5,566,851.30

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Solution

The fourth proportional to 12,387,010.80, 18,580,516.20 and 5,566,851.30 is: 8,350,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,010.80 : 18,580,516.20 = 5,566,851.30 : x
  2. Step 2: Convert to fraction form
    12,387,010.80/18,580,516.20 = 5,566,851.30/x
  3. Step 3: Cross multiply
    12,387,010.80x = 18,580,516.20 × 5,566,851.30
  4. Step 4: Simplify right side
    12,387,010.80x = 103,434,970,762,641.05
  5. Step 5: Solve for x
    x = 103,434,970,762,641.05/12,387,010.80
  6. Step 6: Final answer
    x = 8,350,276.95

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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.