Home / 12,081,810.20-18,122,715.30-4,896,786.20

Finding the Fourth Proportional to 12,081,810.20, 18,122,715.30 and 4,896,786.20

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Solution

The fourth proportional to 12,081,810.20, 18,122,715.30 and 4,896,786.20 is: 7,345,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,810.20 : 18,122,715.30 = 4,896,786.20 : x
  2. Step 2: Convert to fraction form
    12,081,810.20/18,122,715.30 = 4,896,786.20/x
  3. Step 3: Cross multiply
    12,081,810.20x = 18,122,715.30 × 4,896,786.20
  4. Step 4: Simplify right side
    12,081,810.20x = 88,743,062,187,568.86
  5. Step 5: Solve for x
    x = 88,743,062,187,568.86/12,081,810.20
  6. Step 6: Final answer
    x = 7,345,179.30

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Double scale
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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.