Home / 13,486,562.20-20,229,843.30-7,817,858.20

Finding the Fourth Proportional to 13,486,562.20, 20,229,843.30 and 7,817,858.20

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Solution

The fourth proportional to 13,486,562.20, 20,229,843.30 and 7,817,858.20 is: 11,726,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,562.20 : 20,229,843.30 = 7,817,858.20 : x
  2. Step 2: Convert to fraction form
    13,486,562.20/20,229,843.30 = 7,817,858.20/x
  3. Step 3: Cross multiply
    13,486,562.20x = 20,229,843.30 × 7,817,858.20
  4. Step 4: Simplify right side
    13,486,562.20x = 158,154,046,327,620.06
  5. Step 5: Solve for x
    x = 158,154,046,327,620.06/13,486,562.20
  6. Step 6: Final answer
    x = 11,726,787.30

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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.