Home / 7,679,419.73-11,520,847.76-2,887,150.52

Finding the Fourth Proportional to 7,679,419.73, 11,520,847.76 and 2,887,150.52

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Solution

The fourth proportional to 7,679,419.73, 11,520,847.76 and 2,887,150.52 is: 4,331,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,419.73 : 11,520,847.76 = 2,887,150.52 : x
  2. Step 2: Convert to fraction form
    7,679,419.73/11,520,847.76 = 2,887,150.52/x
  3. Step 3: Cross multiply
    7,679,419.73x = 11,520,847.76 × 2,887,150.52
  4. Step 4: Simplify right side
    7,679,419.73x = 33,262,421,601,124.84
  5. Step 5: Solve for x
    x = 33,262,421,601,124.84/7,679,419.73
  6. Step 6: Final answer
    x = 4,331,371.74

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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.