Home / 18,145,839.30-27,231,200.55-8,055,701.70

Finding the Fourth Proportional to 18,145,839.30, 27,231,200.55 and 8,055,701.70

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Solution

The fourth proportional to 18,145,839.30, 27,231,200.55 and 8,055,701.70 is: 12,089,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,839.30 : 27,231,200.55 = 8,055,701.70 : x
  2. Step 2: Convert to fraction form
    18,145,839.30/27,231,200.55 = 8,055,701.70/x
  3. Step 3: Cross multiply
    18,145,839.30x = 27,231,200.55 × 8,055,701.70
  4. Step 4: Simplify right side
    18,145,839.30x = 219,366,428,563,675.94
  5. Step 5: Solve for x
    x = 219,366,428,563,675.94/18,145,839.30
  6. Step 6: Final answer
    x = 12,089,075.90

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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.