Home / 18,441,780.30-27,662,670.45-9,371,853.90

Finding the Fourth Proportional to 18,441,780.30, 27,662,670.45 and 9,371,853.90

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Solution

The fourth proportional to 18,441,780.30, 27,662,670.45 and 9,371,853.90 is: 14,057,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,780.30 : 27,662,670.45 = 9,371,853.90 : x
  2. Step 2: Convert to fraction form
    18,441,780.30/27,662,670.45 = 9,371,853.90/x
  3. Step 3: Cross multiply
    18,441,780.30x = 27,662,670.45 × 9,371,853.90
  4. Step 4: Simplify right side
    18,441,780.30x = 259,250,505,941,247.25
  5. Step 5: Solve for x
    x = 259,250,505,941,247.25/18,441,780.30
  6. Step 6: Final answer
    x = 14,057,780.85

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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.