Home / 12,832,539.11-19,251,236.36-5,156,781.47

Finding the Fourth Proportional to 12,832,539.11, 19,251,236.36 and 5,156,781.47

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Solution

The fourth proportional to 12,832,539.11, 19,251,236.36 and 5,156,781.47 is: 7,736,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832,539.11 : 19,251,236.36 = 5,156,781.47 : x
  2. Step 2: Convert to fraction form
    12,832,539.11/19,251,236.36 = 5,156,781.47/x
  3. Step 3: Cross multiply
    12,832,539.11x = 19,251,236.36 × 5,156,781.47
  4. Step 4: Simplify right side
    12,832,539.11x = 99,274,418,852,474.02
  5. Step 5: Solve for x
    x = 99,274,418,852,474.02/12,832,539.11
  6. Step 6: Final answer
    x = 7,736,147.78

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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.