Home / 19,753,358.40-29,693,023.20-18,619,617.60

Finding the Fourth Proportional to 19,753,358.40, 29,693,023.20 and 18,619,617.60

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Solution

The fourth proportional to 19,753,358.40, 29,693,023.20 and 18,619,617.60 is: 27,988,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753,358.40 : 29,693,023.20 = 18,619,617.60 : x
  2. Step 2: Convert to fraction form
    19,753,358.40/29,693,023.20 = 18,619,617.60/x
  3. Step 3: Cross multiply
    19,753,358.40x = 29,693,023.20 × 18,619,617.60
  4. Step 4: Simplify right side
    19,753,358.40x = 552,872,737,371,928.38
  5. Step 5: Solve for x
    x = 552,872,737,371,928.38/19,753,358.40
  6. Step 6: Final answer
    x = 27,988,796.95

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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.