Home / 18,348,879.30-27,532,176.30-12,945,895.80

Finding the Fourth Proportional to 18,348,879.30, 27,532,176.30 and 12,945,895.80

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Solution

The fourth proportional to 18,348,879.30, 27,532,176.30 and 12,945,895.80 is: 19,425,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,879.30 : 27,532,176.30 = 12,945,895.80 : x
  2. Step 2: Convert to fraction form
    18,348,879.30/27,532,176.30 = 12,945,895.80/x
  3. Step 3: Cross multiply
    18,348,879.30x = 27,532,176.30 × 12,945,895.80
  4. Step 4: Simplify right side
    18,348,879.30x = 356,428,685,527,029.56
  5. Step 5: Solve for x
    x = 356,428,685,527,029.56/18,348,879.30
  6. Step 6: Final answer
    x = 19,425,092.93

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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.