Home / 7,972,700.80-11,960,951.88-2,581,352.88

Finding the Fourth Proportional to 7,972,700.80, 11,960,951.88 and 2,581,352.88

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Solution

The fourth proportional to 7,972,700.80, 11,960,951.88 and 2,581,352.88 is: 3,872,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,700.80 : 11,960,951.88 = 2,581,352.88 : x
  2. Step 2: Convert to fraction form
    7,972,700.80/11,960,951.88 = 2,581,352.88/x
  3. Step 3: Cross multiply
    7,972,700.80x = 11,960,951.88 × 2,581,352.88
  4. Step 4: Simplify right side
    7,972,700.80x = 30,875,437,582,979.41
  5. Step 5: Solve for x
    x = 30,875,437,582,979.41/7,972,700.80
  6. Step 6: Final answer
    x = 3,872,644.71

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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.