Home / 12,104,514.76-18,153,229.20-9,969,302.92

Finding the Fourth Proportional to 12,104,514.76, 18,153,229.20 and 9,969,302.92

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Solution

The fourth proportional to 12,104,514.76, 18,153,229.20 and 9,969,302.92 is: 14,951,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,514.76 : 18,153,229.20 = 9,969,302.92 : x
  2. Step 2: Convert to fraction form
    12,104,514.76/18,153,229.20 = 9,969,302.92/x
  3. Step 3: Cross multiply
    12,104,514.76x = 18,153,229.20 × 9,969,302.92
  4. Step 4: Simplify right side
    12,104,514.76x = 180,975,040,870,989.25
  5. Step 5: Solve for x
    x = 180,975,040,870,989.25/12,104,514.76
  6. Step 6: Final answer
    x = 14,951,036.41

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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.