Home / 15,310,517.49-21,114,321.86-11,173,996.53

Finding the Fourth Proportional to 15,310,517.49, 21,114,321.86 and 11,173,996.53

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Solution

The fourth proportional to 15,310,517.49, 21,114,321.86 and 11,173,996.53 is: 15,409,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310,517.49 : 21,114,321.86 = 11,173,996.53 : x
  2. Step 2: Convert to fraction form
    15,310,517.49/21,114,321.86 = 11,173,996.53/x
  3. Step 3: Cross multiply
    15,310,517.49x = 21,114,321.86 × 11,173,996.53
  4. Step 4: Simplify right side
    15,310,517.49x = 235,931,359,151,305.28
  5. Step 5: Solve for x
    x = 235,931,359,151,305.28/15,310,517.49
  6. Step 6: Final answer
    x = 15,409,757.33

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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.