Home / 7,972,887.52-11,961,236.49-2,581,543.72

Finding the Fourth Proportional to 7,972,887.52, 11,961,236.49 and 2,581,543.72

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Solution

The fourth proportional to 7,972,887.52, 11,961,236.49 and 2,581,543.72 is: 3,872,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,887.52 : 11,961,236.49 = 2,581,543.72 : x
  2. Step 2: Convert to fraction form
    7,972,887.52/11,961,236.49 = 2,581,543.72/x
  3. Step 3: Cross multiply
    7,972,887.52x = 11,961,236.49 × 2,581,543.72
  4. Step 4: Simplify right side
    7,972,887.52x = 30,878,454,944,194.35
  5. Step 5: Solve for x
    x = 30,878,454,944,194.35/7,972,887.52
  6. Step 6: Final answer
    x = 3,872,932.47

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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.