Home / 12,444,834.20-18,656,192.10-8,187,042.20

Finding the Fourth Proportional to 12,444,834.20, 18,656,192.10 and 8,187,042.20

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Solution

The fourth proportional to 12,444,834.20, 18,656,192.10 and 8,187,042.20 is: 12,273,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,834.20 : 18,656,192.10 = 8,187,042.20 : x
  2. Step 2: Convert to fraction form
    12,444,834.20/18,656,192.10 = 8,187,042.20/x
  3. Step 3: Cross multiply
    12,444,834.20x = 18,656,192.10 × 8,187,042.20
  4. Step 4: Simplify right side
    12,444,834.20x = 152,739,032,014,006.62
  5. Step 5: Solve for x
    x = 152,739,032,014,006.62/12,444,834.20
  6. Step 6: Final answer
    x = 12,273,287.82

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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.