Home / 9,170,782.20-13,723,514.10-7,985,719.80

Finding the Fourth Proportional to 9,170,782.20, 13,723,514.10 and 7,985,719.80

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Solution

The fourth proportional to 9,170,782.20, 13,723,514.10 and 7,985,719.80 is: 11,950,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,782.20 : 13,723,514.10 = 7,985,719.80 : x
  2. Step 2: Convert to fraction form
    9,170,782.20/13,723,514.10 = 7,985,719.80/x
  3. Step 3: Cross multiply
    9,170,782.20x = 13,723,514.10 × 7,985,719.80
  4. Step 4: Simplify right side
    9,170,782.20x = 109,592,138,273,949.17
  5. Step 5: Solve for x
    x = 109,592,138,273,949.17/9,170,782.20
  6. Step 6: Final answer
    x = 11,950,140.77

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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.