Home / 9,181,789.20-13,740,024.60-7,996,726.80

Finding the Fourth Proportional to 9,181,789.20, 13,740,024.60 and 7,996,726.80

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Solution

The fourth proportional to 9,181,789.20, 13,740,024.60 and 7,996,726.80 is: 11,966,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,789.20 : 13,740,024.60 = 7,996,726.80 : x
  2. Step 2: Convert to fraction form
    9,181,789.20/13,740,024.60 = 7,996,726.80/x
  3. Step 3: Cross multiply
    9,181,789.20x = 13,740,024.60 × 7,996,726.80
  4. Step 4: Simplify right side
    9,181,789.20x = 109,875,222,951,479.28
  5. Step 5: Solve for x
    x = 109,875,222,951,479.28/9,181,789.20
  6. Step 6: Final answer
    x = 11,966,646.21

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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.