Home / 14,121,218.62-21,188,981.85-6,444,012.70

Finding the Fourth Proportional to 14,121,218.62, 21,188,981.85 and 6,444,012.70

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Solution

The fourth proportional to 14,121,218.62, 21,188,981.85 and 6,444,012.70 is: 9,669,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,218.62 : 21,188,981.85 = 6,444,012.70 : x
  2. Step 2: Convert to fraction form
    14,121,218.62/21,188,981.85 = 6,444,012.70/x
  3. Step 3: Cross multiply
    14,121,218.62x = 21,188,981.85 × 6,444,012.70
  4. Step 4: Simplify right side
    14,121,218.62x = 136,542,068,141,469.52
  5. Step 5: Solve for x
    x = 136,542,068,141,469.52/14,121,218.62
  6. Step 6: Final answer
    x = 9,669,283.64

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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.