Home / 10,361,640.70-15,542,461.05-7,338,331.90

Finding the Fourth Proportional to 10,361,640.70, 15,542,461.05 and 7,338,331.90

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Solution

The fourth proportional to 10,361,640.70, 15,542,461.05 and 7,338,331.90 is: 11,007,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,640.70 : 15,542,461.05 = 7,338,331.90 : x
  2. Step 2: Convert to fraction form
    10,361,640.70/15,542,461.05 = 7,338,331.90/x
  3. Step 3: Cross multiply
    10,361,640.70x = 15,542,461.05 × 7,338,331.90
  4. Step 4: Simplify right side
    10,361,640.70x = 114,055,737,727,722.50
  5. Step 5: Solve for x
    x = 114,055,737,727,722.50/10,361,640.70
  6. Step 6: Final answer
    x = 11,007,497.85

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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.