Home / 15,245,999.70-22,868,999.55-7,687,727.70

Finding the Fourth Proportional to 15,245,999.70, 22,868,999.55 and 7,687,727.70

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Solution

The fourth proportional to 15,245,999.70, 22,868,999.55 and 7,687,727.70 is: 11,531,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245,999.70 : 22,868,999.55 = 7,687,727.70 : x
  2. Step 2: Convert to fraction form
    15,245,999.70/22,868,999.55 = 7,687,727.70/x
  3. Step 3: Cross multiply
    15,245,999.70x = 22,868,999.55 × 7,687,727.70
  4. Step 4: Simplify right side
    15,245,999.70x = 175,810,641,311,822.53
  5. Step 5: Solve for x
    x = 175,810,641,311,822.53/15,245,999.70
  6. Step 6: Final answer
    x = 11,531,591.55

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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.