Home / 20,259,344.79-30,371,987.28-16,411,625.85

Finding the Fourth Proportional to 20,259,344.79, 30,371,987.28 and 16,411,625.85

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Solution

The fourth proportional to 20,259,344.79, 30,371,987.28 and 16,411,625.85 is: 24,603,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259,344.79 : 30,371,987.28 = 16,411,625.85 : x
  2. Step 2: Convert to fraction form
    20,259,344.79/30,371,987.28 = 16,411,625.85/x
  3. Step 3: Cross multiply
    20,259,344.79x = 30,371,987.28 × 16,411,625.85
  4. Step 4: Simplify right side
    20,259,344.79x = 498,453,691,560,319.19
  5. Step 5: Solve for x
    x = 498,453,691,560,319.19/20,259,344.79
  6. Step 6: Final answer
    x = 24,603,643.24

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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.