Home / 8,521,756.18-11,760,278.19-4,654,459.78

Finding the Fourth Proportional to 8,521,756.18, 11,760,278.19 and 4,654,459.78

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Solution

The fourth proportional to 8,521,756.18, 11,760,278.19 and 4,654,459.78 is: 6,423,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,756.18 : 11,760,278.19 = 4,654,459.78 : x
  2. Step 2: Convert to fraction form
    8,521,756.18/11,760,278.19 = 4,654,459.78/x
  3. Step 3: Cross multiply
    8,521,756.18x = 11,760,278.19 × 4,654,459.78
  4. Step 4: Simplify right side
    8,521,756.18x = 54,737,741,836,966.20
  5. Step 5: Solve for x
    x = 54,737,741,836,966.20/8,521,756.18
  6. Step 6: Final answer
    x = 6,423,293.59

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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.