Home / 10,361,687.70-15,542,531.55-7,338,378.90

Finding the Fourth Proportional to 10,361,687.70, 15,542,531.55 and 7,338,378.90

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Solution

The fourth proportional to 10,361,687.70, 15,542,531.55 and 7,338,378.90 is: 11,007,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,687.70 : 15,542,531.55 = 7,338,378.90 : x
  2. Step 2: Convert to fraction form
    10,361,687.70/15,542,531.55 = 7,338,378.90/x
  3. Step 3: Cross multiply
    10,361,687.70x = 15,542,531.55 × 7,338,378.90
  4. Step 4: Simplify right side
    10,361,687.70x = 114,056,985,579,104.31
  5. Step 5: Solve for x
    x = 114,056,985,579,104.31/10,361,687.70
  6. Step 6: Final answer
    x = 11,007,568.35

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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.