Home / 8,011,280.95-12,016,917.77-5,320,857.85

Finding the Fourth Proportional to 8,011,280.95, 12,016,917.77 and 5,320,857.85

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Solution

The fourth proportional to 8,011,280.95, 12,016,917.77 and 5,320,857.85 is: 7,981,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011,280.95 : 12,016,917.77 = 5,320,857.85 : x
  2. Step 2: Convert to fraction form
    8,011,280.95/12,016,917.77 = 5,320,857.85/x
  3. Step 3: Cross multiply
    8,011,280.95x = 12,016,917.77 × 5,320,857.85
  4. Step 4: Simplify right side
    8,011,280.95x = 63,940,311,192,662.41
  5. Step 5: Solve for x
    x = 63,940,311,192,662.41/8,011,280.95
  6. Step 6: Final answer
    x = 7,981,284.34

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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.