Home / 14,177,714.60-21,266,571.90-13,431,218.60

Finding the Fourth Proportional to 14,177,714.60, 21,266,571.90 and 13,431,218.60

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Solution

The fourth proportional to 14,177,714.60, 21,266,571.90 and 13,431,218.60 is: 20,146,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177,714.60 : 21,266,571.90 = 13,431,218.60 : x
  2. Step 2: Convert to fraction form
    14,177,714.60/21,266,571.90 = 13,431,218.60/x
  3. Step 3: Cross multiply
    14,177,714.60x = 21,266,571.90 × 13,431,218.60
  4. Step 4: Simplify right side
    14,177,714.60x = 285,635,976,061,517.31
  5. Step 5: Solve for x
    x = 285,635,976,061,517.31/14,177,714.60
  6. Step 6: Final answer
    x = 20,146,827.90

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Similar ratio
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1.5x scale

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.