Home / 7,912,780.74-11,867,510.33-2,231,676.45

Finding the Fourth Proportional to 7,912,780.74, 11,867,510.33 and 2,231,676.45

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Solution

The fourth proportional to 7,912,780.74, 11,867,510.33 and 2,231,676.45 is: 3,347,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,780.74 : 11,867,510.33 = 2,231,676.45 : x
  2. Step 2: Convert to fraction form
    7,912,780.74/11,867,510.33 = 2,231,676.45/x
  3. Step 3: Cross multiply
    7,912,780.74x = 11,867,510.33 × 2,231,676.45
  4. Step 4: Simplify right side
    7,912,780.74x = 26,484,443,323,592.73
  5. Step 5: Solve for x
    x = 26,484,443,323,592.73/7,912,780.74
  6. Step 6: Final answer
    x = 3,347,046.28

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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.