Home / 8,690,767.80-13,036,151.70-6,451,279.80

Finding the Fourth Proportional to 8,690,767.80, 13,036,151.70 and 6,451,279.80

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Solution

The fourth proportional to 8,690,767.80, 13,036,151.70 and 6,451,279.80 is: 9,676,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,767.80 : 13,036,151.70 = 6,451,279.80 : x
  2. Step 2: Convert to fraction form
    8,690,767.80/13,036,151.70 = 6,451,279.80/x
  3. Step 3: Cross multiply
    8,690,767.80x = 13,036,151.70 × 6,451,279.80
  4. Step 4: Simplify right side
    8,690,767.80x = 84,099,862,131,945.66
  5. Step 5: Solve for x
    x = 84,099,862,131,945.66/8,690,767.80
  6. Step 6: Final answer
    x = 9,676,919.70

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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.