Home / 7,898,238.92-11,847,817.65-2,218,906.10

Finding the Fourth Proportional to 7,898,238.92, 11,847,817.65 and 2,218,906.10

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Solution

The fourth proportional to 7,898,238.92, 11,847,817.65 and 2,218,906.10 is: 3,328,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,238.92 : 11,847,817.65 = 2,218,906.10 : x
  2. Step 2: Convert to fraction form
    7,898,238.92/11,847,817.65 = 2,218,906.10/x
  3. Step 3: Cross multiply
    7,898,238.92x = 11,847,817.65 × 2,218,906.10
  4. Step 4: Simplify right side
    7,898,238.92x = 26,289,194,796,033.58
  5. Step 5: Solve for x
    x = 26,289,194,796,033.58/7,898,238.92
  6. Step 6: Final answer
    x = 3,328,488.17

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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.