Home / 8,458,781.42-12,677,769.30-3,336,069.26

Finding the Fourth Proportional to 8,458,781.42, 12,677,769.30 and 3,336,069.26

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Solution

The fourth proportional to 8,458,781.42, 12,677,769.30 and 3,336,069.26 is: 5,000,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,781.42 : 12,677,769.30 = 3,336,069.26 : x
  2. Step 2: Convert to fraction form
    8,458,781.42/12,677,769.30 = 3,336,069.26/x
  3. Step 3: Cross multiply
    8,458,781.42x = 12,677,769.30 × 3,336,069.26
  4. Step 4: Simplify right side
    8,458,781.42x = 42,293,916,447,101.72
  5. Step 5: Solve for x
    x = 42,293,916,447,101.72/8,458,781.42
  6. Step 6: Final answer
    x = 5,000,001.11

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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.