Home / 9,181,786.20-13,740,020.10-7,996,723.80

Finding the Fourth Proportional to 9,181,786.20, 13,740,020.10 and 7,996,723.80

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Solution

The fourth proportional to 9,181,786.20, 13,740,020.10 and 7,996,723.80 is: 11,966,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,786.20 : 13,740,020.10 = 7,996,723.80 : x
  2. Step 2: Convert to fraction form
    9,181,786.20/13,740,020.10 = 7,996,723.80/x
  3. Step 3: Cross multiply
    9,181,786.20x = 13,740,020.10 × 7,996,723.80
  4. Step 4: Simplify right side
    9,181,786.20x = 109,875,145,746,148.38
  5. Step 5: Solve for x
    x = 109,875,145,746,148.38/9,181,786.20
  6. Step 6: Final answer
    x = 11,966,641.71

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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.