Home / 19,123,760.13-28,691,704.20-6,827,459.64

Finding the Fourth Proportional to 19,123,760.13, 28,691,704.20 and 6,827,459.64

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Solution

The fourth proportional to 19,123,760.13, 28,691,704.20 and 6,827,459.64 is: 10,243,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,760.13 : 28,691,704.20 = 6,827,459.64 : x
  2. Step 2: Convert to fraction form
    19,123,760.13/28,691,704.20 = 6,827,459.64/x
  3. Step 3: Cross multiply
    19,123,760.13x = 28,691,704.20 × 6,827,459.64
  4. Step 4: Simplify right side
    19,123,760.13x = 195,891,452,428,318.47
  5. Step 5: Solve for x
    x = 195,891,452,428,318.47/19,123,760.13
  6. Step 6: Final answer
    x = 10,243,354.40

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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.