Home / 15,048,086.57-20,767,640.17-8,522,876.83

Finding the Fourth Proportional to 15,048,086.57, 20,767,640.17 and 8,522,876.83

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Solution

The fourth proportional to 15,048,086.57, 20,767,640.17 and 8,522,876.83 is: 11,762,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,086.57 : 20,767,640.17 = 8,522,876.83 : x
  2. Step 2: Convert to fraction form
    15,048,086.57/20,767,640.17 = 8,522,876.83/x
  3. Step 3: Cross multiply
    15,048,086.57x = 20,767,640.17 × 8,522,876.83
  4. Step 4: Simplify right side
    15,048,086.57x = 177,000,039,145,444
  5. Step 5: Solve for x
    x = 177,000,039,145,444/15,048,086.57
  6. Step 6: Final answer
    x = 11,762,295.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.