Home / 21,031,836.26-29,024,021.50-11,374,044.26

Finding the Fourth Proportional to 21,031,836.26, 29,024,021.50 and 11,374,044.26

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Solution

The fourth proportional to 21,031,836.26, 29,024,021.50 and 11,374,044.26 is: 15,696,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031,836.26 : 29,024,021.50 = 11,374,044.26 : x
  2. Step 2: Convert to fraction form
    21,031,836.26/29,024,021.50 = 11,374,044.26/x
  3. Step 3: Cross multiply
    21,031,836.26x = 29,024,021.50 × 11,374,044.26
  4. Step 4: Simplify right side
    21,031,836.26x = 330,120,505,144,191.56
  5. Step 5: Solve for x
    x = 330,120,505,144,191.56/21,031,836.26
  6. Step 6: Final answer
    x = 15,696,228.38

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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.