Home / 14,252,129.60-21,378,194.40-12,482,657.60

Finding the Fourth Proportional to 14,252,129.60, 21,378,194.40 and 12,482,657.60

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Solution

The fourth proportional to 14,252,129.60, 21,378,194.40 and 12,482,657.60 is: 18,723,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252,129.60 : 21,378,194.40 = 12,482,657.60 : x
  2. Step 2: Convert to fraction form
    14,252,129.60/21,378,194.40 = 12,482,657.60/x
  3. Step 3: Cross multiply
    14,252,129.60x = 21,378,194.40 × 12,482,657.60
  4. Step 4: Simplify right side
    14,252,129.60x = 266,856,680,801,437.41
  5. Step 5: Solve for x
    x = 266,856,680,801,437.41/14,252,129.60
  6. Step 6: Final answer
    x = 18,723,986.40

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Similar ratio
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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.