Home / 8,412,319.62-12,613,425.45-3,288,646.98

Finding the Fourth Proportional to 8,412,319.62, 12,613,425.45 and 3,288,646.98

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Solution

The fourth proportional to 8,412,319.62, 12,613,425.45 and 3,288,646.98 is: 4,930,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,319.62 : 12,613,425.45 = 3,288,646.98 : x
  2. Step 2: Convert to fraction form
    8,412,319.62/12,613,425.45 = 3,288,646.98/x
  3. Step 3: Cross multiply
    8,412,319.62x = 12,613,425.45 × 3,288,646.98
  4. Step 4: Simplify right side
    8,412,319.62x = 41,481,103,513,597.64
  5. Step 5: Solve for x
    x = 41,481,103,513,597.64/8,412,319.62
  6. Step 6: Final answer
    x = 4,930,994.71

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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.