Home / 13,609,859.25-18,781,595.45-7,498,287.75

Finding the Fourth Proportional to 13,609,859.25, 18,781,595.45 and 7,498,287.75

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Solution

The fourth proportional to 13,609,859.25, 18,781,595.45 and 7,498,287.75 is: 10,347,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,859.25 : 18,781,595.45 = 7,498,287.75 : x
  2. Step 2: Convert to fraction form
    13,609,859.25/18,781,595.45 = 7,498,287.75/x
  3. Step 3: Cross multiply
    13,609,859.25x = 18,781,595.45 × 7,498,287.75
  4. Step 4: Simplify right side
    13,609,859.25x = 140,829,807,149,248.88
  5. Step 5: Solve for x
    x = 140,829,807,149,248.88/13,609,859.25
  6. Step 6: Final answer
    x = 10,347,631.41

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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.