Home / 7,766,961.78-11,650,909.75-2,375,658.91

Finding the Fourth Proportional to 7,766,961.78, 11,650,909.75 and 2,375,658.91

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Solution

The fourth proportional to 7,766,961.78, 11,650,909.75 and 2,375,658.91 is: 3,563,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,961.78 : 11,650,909.75 = 2,375,658.91 : x
  2. Step 2: Convert to fraction form
    7,766,961.78/11,650,909.75 = 2,375,658.91/x
  3. Step 3: Cross multiply
    7,766,961.78x = 11,650,909.75 × 2,375,658.91
  4. Step 4: Simplify right side
    7,766,961.78x = 27,678,587,521,756.39
  5. Step 5: Solve for x
    x = 27,678,587,521,756.39/7,766,961.78
  6. Step 6: Final answer
    x = 3,563,631.23

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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.