Home / 20,801,839.32-31,207,014.66-7,153,213.14

Finding the Fourth Proportional to 20,801,839.32, 31,207,014.66 and 7,153,213.14

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Solution

The fourth proportional to 20,801,839.32, 31,207,014.66 and 7,153,213.14 is: 10,731,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,839.32 : 31,207,014.66 = 7,153,213.14 : x
  2. Step 2: Convert to fraction form
    20,801,839.32/31,207,014.66 = 7,153,213.14/x
  3. Step 3: Cross multiply
    20,801,839.32x = 31,207,014.66 × 7,153,213.14
  4. Step 4: Simplify right side
    20,801,839.32x = 223,230,427,326,084.62
  5. Step 5: Solve for x
    x = 223,230,427,326,084.62/20,801,839.32
  6. Step 6: Final answer
    x = 10,731,283.13

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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.