Home / 13,486,531.40-20,229,797.10-12,370,505.30

Finding the Fourth Proportional to 13,486,531.40, 20,229,797.10 and 12,370,505.30

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Solution

The fourth proportional to 13,486,531.40, 20,229,797.10 and 12,370,505.30 is: 18,555,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,531.40 : 20,229,797.10 = 12,370,505.30 : x
  2. Step 2: Convert to fraction form
    13,486,531.40/20,229,797.10 = 12,370,505.30/x
  3. Step 3: Cross multiply
    13,486,531.40x = 20,229,797.10 × 12,370,505.30
  4. Step 4: Simplify right side
    13,486,531.40x = 250,252,812,243,474.66
  5. Step 5: Solve for x
    x = 250,252,812,243,474.66/13,486,531.40
  6. Step 6: Final answer
    x = 18,555,757.95

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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.