Home / 6,642,529.50-9,966,943.50-3,952,169.58

Finding the Fourth Proportional to 6,642,529.50, 9,966,943.50 and 3,952,169.58

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Solution

The fourth proportional to 6,642,529.50, 9,966,943.50 and 3,952,169.58 is: 5,930,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,529.50 : 9,966,943.50 = 3,952,169.58 : x
  2. Step 2: Convert to fraction form
    6,642,529.50/9,966,943.50 = 3,952,169.58/x
  3. Step 3: Cross multiply
    6,642,529.50x = 9,966,943.50 × 3,952,169.58
  4. Step 4: Simplify right side
    6,642,529.50x = 39,391,050,906,278.73
  5. Step 5: Solve for x
    x = 39,391,050,906,278.73/6,642,529.50
  6. Step 6: Final answer
    x = 5,930,128.11

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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.