Home / 11,812,729.60-17,719,094.40-11,588,780.80

Finding the Fourth Proportional to 11,812,729.60, 17,719,094.40 and 11,588,780.80

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Solution

The fourth proportional to 11,812,729.60, 17,719,094.40 and 11,588,780.80 is: 17,383,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,729.60 : 17,719,094.40 = 11,588,780.80 : x
  2. Step 2: Convert to fraction form
    11,812,729.60/17,719,094.40 = 11,588,780.80/x
  3. Step 3: Cross multiply
    11,812,729.60x = 17,719,094.40 × 11,588,780.80
  4. Step 4: Simplify right side
    11,812,729.60x = 205,342,700,976,107.53
  5. Step 5: Solve for x
    x = 205,342,700,976,107.53/11,812,729.60
  6. Step 6: Final answer
    x = 17,383,171.20

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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.