Home / 8,138,721.70-12,208,082.55-3,349,847.80

Finding the Fourth Proportional to 8,138,721.70, 12,208,082.55 and 3,349,847.80

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Solution

The fourth proportional to 8,138,721.70, 12,208,082.55 and 3,349,847.80 is: 5,024,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,721.70 : 12,208,082.55 = 3,349,847.80 : x
  2. Step 2: Convert to fraction form
    8,138,721.70/12,208,082.55 = 3,349,847.80/x
  3. Step 3: Cross multiply
    8,138,721.70x = 12,208,082.55 × 3,349,847.80
  4. Step 4: Simplify right side
    8,138,721.70x = 40,895,218,472,335.89
  5. Step 5: Solve for x
    x = 40,895,218,472,335.89/8,138,721.70
  6. Step 6: Final answer
    x = 5,024,771.70

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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.