Home / 15,536,309.70-23,304,464.55-7,978,037.70

Finding the Fourth Proportional to 15,536,309.70, 23,304,464.55 and 7,978,037.70

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Solution

The fourth proportional to 15,536,309.70, 23,304,464.55 and 7,978,037.70 is: 11,967,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536,309.70 : 23,304,464.55 = 7,978,037.70 : x
  2. Step 2: Convert to fraction form
    15,536,309.70/23,304,464.55 = 7,978,037.70/x
  3. Step 3: Cross multiply
    15,536,309.70x = 23,304,464.55 × 7,978,037.70
  4. Step 4: Simplify right side
    15,536,309.70x = 185,923,896,758,213.53
  5. Step 5: Solve for x
    x = 185,923,896,758,213.53/15,536,309.70
  6. Step 6: Final answer
    x = 11,967,056.55

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Similar ratio
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1.5x scale

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.