Home / 13,281,134.28-19,948,251.60-12,845,308.92

Finding the Fourth Proportional to 13,281,134.28, 19,948,251.60 and 12,845,308.92

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Solution

The fourth proportional to 13,281,134.28, 19,948,251.60 and 12,845,308.92 is: 19,293,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,134.28 : 19,948,251.60 = 12,845,308.92 : x
  2. Step 2: Convert to fraction form
    13,281,134.28/19,948,251.60 = 12,845,308.92/x
  3. Step 3: Cross multiply
    13,281,134.28x = 19,948,251.60 × 12,845,308.92
  4. Step 4: Simplify right side
    13,281,134.28x = 256,241,454,215,884.28
  5. Step 5: Solve for x
    x = 256,241,454,215,884.28/13,281,134.28
  6. Step 6: Final answer
    x = 19,293,642.31

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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.