Home / 20,739,731.33-31,111,091.67-7,960,236.03

Finding the Fourth Proportional to 20,739,731.33, 31,111,091.67 and 7,960,236.03

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Solution

The fourth proportional to 20,739,731.33, 31,111,091.67 and 7,960,236.03 is: 11,940,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739,731.33 : 31,111,091.67 = 7,960,236.03 : x
  2. Step 2: Convert to fraction form
    20,739,731.33/31,111,091.67 = 7,960,236.03/x
  3. Step 3: Cross multiply
    20,739,731.33x = 31,111,091.67 × 7,960,236.03
  4. Step 4: Simplify right side
    20,739,731.33x = 247,651,632,844,166.91
  5. Step 5: Solve for x
    x = 247,651,632,844,166.91/20,739,731.33
  6. Step 6: Final answer
    x = 11,940,927.72

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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.