Home / 8,690,931.53-13,057,651.70-8,207,514.89

Finding the Fourth Proportional to 8,690,931.53, 13,057,651.70 and 8,207,514.89

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Solution

The fourth proportional to 8,690,931.53, 13,057,651.70 and 8,207,514.89 is: 12,331,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,931.53 : 13,057,651.70 = 8,207,514.89 : x
  2. Step 2: Convert to fraction form
    8,690,931.53/13,057,651.70 = 8,207,514.89/x
  3. Step 3: Cross multiply
    8,690,931.53x = 13,057,651.70 × 8,207,514.89
  4. Step 4: Simplify right side
    8,690,931.53x = 107,170,870,756,183.80
  5. Step 5: Solve for x
    x = 107,170,870,756,183.80/8,690,931.53
  6. Step 6: Final answer
    x = 12,331,344.50

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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.