Home / 20,265,265.87-30,393,340.29-9,324,961.25

Finding the Fourth Proportional to 20,265,265.87, 30,393,340.29 and 9,324,961.25

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Solution

The fourth proportional to 20,265,265.87, 30,393,340.29 and 9,324,961.25 is: 13,985,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,265.87 : 30,393,340.29 = 9,324,961.25 : x
  2. Step 2: Convert to fraction form
    20,265,265.87/30,393,340.29 = 9,324,961.25/x
  3. Step 3: Cross multiply
    20,265,265.87x = 30,393,340.29 × 9,324,961.25
  4. Step 4: Simplify right side
    20,265,265.87x = 283,416,720,310,347
  5. Step 5: Solve for x
    x = 283,416,720,310,347/20,265,265.87
  6. Step 6: Final answer
    x = 13,985,344.29

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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.