Home / 18,192,685.20-27,289,027.80-13,064,279.55

Finding the Fourth Proportional to 18,192,685.20, 27,289,027.80 and 13,064,279.55

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Solution

The fourth proportional to 18,192,685.20, 27,289,027.80 and 13,064,279.55 is: 19,596,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,685.20 : 27,289,027.80 = 13,064,279.55 : x
  2. Step 2: Convert to fraction form
    18,192,685.20/27,289,027.80 = 13,064,279.55/x
  3. Step 3: Cross multiply
    18,192,685.20x = 27,289,027.80 × 13,064,279.55
  4. Step 4: Simplify right side
    18,192,685.20x = 356,511,487,826,921.50
  5. Step 5: Solve for x
    x = 356,511,487,826,921.50/18,192,685.20
  6. Step 6: Final answer
    x = 19,596,419.33

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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.