Home / 8,126,789.90-11,213,390.72-4,818,472.79

Finding the Fourth Proportional to 8,126,789.90, 11,213,390.72 and 4,818,472.79

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Solution

The fourth proportional to 8,126,789.90, 11,213,390.72 and 4,818,472.79 is: 6,648,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,789.90 : 11,213,390.72 = 4,818,472.79 : x
  2. Step 2: Convert to fraction form
    8,126,789.90/11,213,390.72 = 4,818,472.79/x
  3. Step 3: Cross multiply
    8,126,789.90x = 11,213,390.72 × 4,818,472.79
  4. Step 4: Simplify right side
    8,126,789.90x = 54,031,418,023,937.74
  5. Step 5: Solve for x
    x = 54,031,418,023,937.74/8,126,789.90
  6. Step 6: Final answer
    x = 6,648,556.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.