Home / 21,080,945.50-29,088,487.66-11,910,242.14

Finding the Fourth Proportional to 21,080,945.50, 29,088,487.66 and 11,910,242.14

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Solution

The fourth proportional to 21,080,945.50, 29,088,487.66 and 11,910,242.14 is: 16,434,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080,945.50 : 29,088,487.66 = 11,910,242.14 : x
  2. Step 2: Convert to fraction form
    21,080,945.50/29,088,487.66 = 11,910,242.14/x
  3. Step 3: Cross multiply
    21,080,945.50x = 29,088,487.66 × 11,910,242.14
  4. Step 4: Simplify right side
    21,080,945.50x = 346,450,931,517,002
  5. Step 5: Solve for x
    x = 346,450,931,517,002/21,080,945.50
  6. Step 6: Final answer
    x = 16,434,316.55

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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.