Home / 13,248,819.60-19,873,229.40-12,292,225.80

Finding the Fourth Proportional to 13,248,819.60, 19,873,229.40 and 12,292,225.80

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Solution

The fourth proportional to 13,248,819.60, 19,873,229.40 and 12,292,225.80 is: 18,438,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,819.60 : 19,873,229.40 = 12,292,225.80 : x
  2. Step 2: Convert to fraction form
    13,248,819.60/19,873,229.40 = 12,292,225.80/x
  3. Step 3: Cross multiply
    13,248,819.60x = 19,873,229.40 × 12,292,225.80
  4. Step 4: Simplify right side
    13,248,819.60x = 244,286,223,159,998.53
  5. Step 5: Solve for x
    x = 244,286,223,159,998.53/13,248,819.60
  6. Step 6: Final answer
    x = 18,438,338.70

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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.