Home / 22,419,881.82-30,941,722.68-13,723,801.20

Finding the Fourth Proportional to 22,419,881.82, 30,941,722.68 and 13,723,801.20

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Solution

The fourth proportional to 22,419,881.82, 30,941,722.68 and 13,723,801.20 is: 18,940,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419,881.82 : 30,941,722.68 = 13,723,801.20 : x
  2. Step 2: Convert to fraction form
    22,419,881.82/30,941,722.68 = 13,723,801.20/x
  3. Step 3: Cross multiply
    22,419,881.82x = 30,941,722.68 × 13,723,801.20
  4. Step 4: Simplify right side
    22,419,881.82x = 424,638,050,845,851.19
  5. Step 5: Solve for x
    x = 424,638,050,845,851.19/22,419,881.82
  6. Step 6: Final answer
    x = 18,940,244.84

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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.