Home / 7,721,179.20-10,655,096.40-4,283,344.80

Finding the Fourth Proportional to 7,721,179.20, 10,655,096.40 and 4,283,344.80

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Solution

The fourth proportional to 7,721,179.20, 10,655,096.40 and 4,283,344.80 is: 5,910,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,179.20 : 10,655,096.40 = 4,283,344.80 : x
  2. Step 2: Convert to fraction form
    7,721,179.20/10,655,096.40 = 4,283,344.80/x
  3. Step 3: Cross multiply
    7,721,179.20x = 10,655,096.40 × 4,283,344.80
  4. Step 4: Simplify right side
    7,721,179.20x = 45,639,451,758,438.72
  5. Step 5: Solve for x
    x = 45,639,451,758,438.72/7,721,179.20
  6. Step 6: Final answer
    x = 5,910,943.21

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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.