Home / 25,661,769.66-38,489,441.49-8,388,522.90

Finding the Fourth Proportional to 25,661,769.66, 38,489,441.49 and 8,388,522.90

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Solution

The fourth proportional to 25,661,769.66, 38,489,441.49 and 8,388,522.90 is: 12,581,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661,769.66 : 38,489,441.49 = 8,388,522.90 : x
  2. Step 2: Convert to fraction form
    25,661,769.66/38,489,441.49 = 8,388,522.90/x
  3. Step 3: Cross multiply
    25,661,769.66x = 38,489,441.49 × 8,388,522.90
  4. Step 4: Simplify right side
    25,661,769.66x = 322,869,561,347,075.12
  5. Step 5: Solve for x
    x = 322,869,561,347,075.12/25,661,769.66
  6. Step 6: Final answer
    x = 12,581,734.06

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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.