Home / 10,361,621.70-15,542,432.55-7,338,312.90

Finding the Fourth Proportional to 10,361,621.70, 15,542,432.55 and 7,338,312.90

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Solution

The fourth proportional to 10,361,621.70, 15,542,432.55 and 7,338,312.90 is: 11,007,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,621.70 : 15,542,432.55 = 7,338,312.90 : x
  2. Step 2: Convert to fraction form
    10,361,621.70/15,542,432.55 = 7,338,312.90/x
  3. Step 3: Cross multiply
    10,361,621.70x = 15,542,432.55 × 7,338,312.90
  4. Step 4: Simplify right side
    10,361,621.70x = 114,055,233,279,044.91
  5. Step 5: Solve for x
    x = 114,055,233,279,044.91/10,361,621.70
  6. Step 6: Final answer
    x = 11,007,469.35

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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.