Home / 13,541,754.11-18,687,617.60-7,740,660.74

Finding the Fourth Proportional to 13,541,754.11, 18,687,617.60 and 7,740,660.74

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Solution

The fourth proportional to 13,541,754.11, 18,687,617.60 and 7,740,660.74 is: 10,682,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,754.11 : 18,687,617.60 = 7,740,660.74 : x
  2. Step 2: Convert to fraction form
    13,541,754.11/18,687,617.60 = 7,740,660.74/x
  3. Step 3: Cross multiply
    13,541,754.11x = 18,687,617.60 × 7,740,660.74
  4. Step 4: Simplify right side
    13,541,754.11x = 144,654,507,748,311.62
  5. Step 5: Solve for x
    x = 144,654,507,748,311.62/13,541,754.11
  6. Step 6: Final answer
    x = 10,682,110.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.