Home / 13,320,954.68-19,989,403.52-5,747,920.43

Finding the Fourth Proportional to 13,320,954.68, 19,989,403.52 and 5,747,920.43

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Solution

The fourth proportional to 13,320,954.68, 19,989,403.52 and 5,747,920.43 is: 8,625,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,954.68 : 19,989,403.52 = 5,747,920.43 : x
  2. Step 2: Convert to fraction form
    13,320,954.68/19,989,403.52 = 5,747,920.43/x
  3. Step 3: Cross multiply
    13,320,954.68x = 19,989,403.52 × 5,747,920.43
  4. Step 4: Simplify right side
    13,320,954.68x = 114,897,500,747,435.30
  5. Step 5: Solve for x
    x = 114,897,500,747,435.30/13,320,954.68
  6. Step 6: Final answer
    x = 8,625,320.30

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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.