Home / 18,500,097.40-27,740,584.98-8,121,068.66

Finding the Fourth Proportional to 18,500,097.40, 27,740,584.98 and 8,121,068.66

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Solution

The fourth proportional to 18,500,097.40, 27,740,584.98 and 8,121,068.66 is: 12,177,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,097.40 : 27,740,584.98 = 8,121,068.66 : x
  2. Step 2: Convert to fraction form
    18,500,097.40/27,740,584.98 = 8,121,068.66/x
  3. Step 3: Cross multiply
    18,500,097.40x = 27,740,584.98 × 8,121,068.66
  4. Step 4: Simplify right side
    18,500,097.40x = 225,283,195,291,144.75
  5. Step 5: Solve for x
    x = 225,283,195,291,144.75/18,500,097.40
  6. Step 6: Final answer
    x = 12,177,405.90

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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.