Home / 18,441,147.60-27,661,721.40-5,661,631.80

Finding the Fourth Proportional to 18,441,147.60, 27,661,721.40 and 5,661,631.80

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Solution

The fourth proportional to 18,441,147.60, 27,661,721.40 and 5,661,631.80 is: 8,492,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,147.60 : 27,661,721.40 = 5,661,631.80 : x
  2. Step 2: Convert to fraction form
    18,441,147.60/27,661,721.40 = 5,661,631.80/x
  3. Step 3: Cross multiply
    18,441,147.60x = 27,661,721.40 × 5,661,631.80
  4. Step 4: Simplify right side
    18,441,147.60x = 156,610,481,520,980.50
  5. Step 5: Solve for x
    x = 156,610,481,520,980.50/18,441,147.60
  6. Step 6: Final answer
    x = 8,492,447.70

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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.