Home / 31,218,223.91-43,080,050.18-17,279,605.94

Finding the Fourth Proportional to 31,218,223.91, 43,080,050.18 and 17,279,605.94

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Solution

The fourth proportional to 31,218,223.91, 43,080,050.18 and 17,279,605.94 is: 23,845,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218,223.91 : 43,080,050.18 = 17,279,605.94 : x
  2. Step 2: Convert to fraction form
    31,218,223.91/43,080,050.18 = 17,279,605.94/x
  3. Step 3: Cross multiply
    31,218,223.91x = 43,080,050.18 × 17,279,605.94
  4. Step 4: Simplify right side
    31,218,223.91x = 744,406,290,813,624.75
  5. Step 5: Solve for x
    x = 744,406,290,813,624.75/31,218,223.91
  6. Step 6: Final answer
    x = 23,845,247.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.