Home / 20,391,306.70-30,586,960.05-14,332,879.30

Finding the Fourth Proportional to 20,391,306.70, 30,586,960.05 and 14,332,879.30

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Solution

The fourth proportional to 20,391,306.70, 30,586,960.05 and 14,332,879.30 is: 21,499,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391,306.70 : 30,586,960.05 = 14,332,879.30 : x
  2. Step 2: Convert to fraction form
    20,391,306.70/30,586,960.05 = 14,332,879.30/x
  3. Step 3: Cross multiply
    20,391,306.70x = 30,586,960.05 × 14,332,879.30
  4. Step 4: Simplify right side
    20,391,306.70x = 438,399,206,550,572
  5. Step 5: Solve for x
    x = 438,399,206,550,572/20,391,306.70
  6. Step 6: Final answer
    x = 21,499,318.95

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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.