Home / 20,740,104.09-31,109,269.82-7,094,470.65

Finding the Fourth Proportional to 20,740,104.09, 31,109,269.82 and 7,094,470.65

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Solution

The fourth proportional to 20,740,104.09, 31,109,269.82 and 7,094,470.65 is: 10,641,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,104.09 : 31,109,269.82 = 7,094,470.65 : x
  2. Step 2: Convert to fraction form
    20,740,104.09/31,109,269.82 = 7,094,470.65/x
  3. Step 3: Cross multiply
    20,740,104.09x = 31,109,269.82 × 7,094,470.65
  4. Step 4: Simplify right side
    20,740,104.09x = 220,703,801,645,448.44
  5. Step 5: Solve for x
    x = 220,703,801,645,448.44/20,740,104.09
  6. Step 6: Final answer
    x = 10,641,402.80

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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.