Home / 12,651,028.12-18,977,708.76-4,131,409.24

Finding the Fourth Proportional to 12,651,028.12, 18,977,708.76 and 4,131,409.24

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Solution

The fourth proportional to 12,651,028.12, 18,977,708.76 and 4,131,409.24 is: 6,197,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,028.12 : 18,977,708.76 = 4,131,409.24 : x
  2. Step 2: Convert to fraction form
    12,651,028.12/18,977,708.76 = 4,131,409.24/x
  3. Step 3: Cross multiply
    12,651,028.12x = 18,977,708.76 × 4,131,409.24
  4. Step 4: Simplify right side
    12,651,028.12x = 78,404,681,325,092.95
  5. Step 5: Solve for x
    x = 78,404,681,325,092.95/12,651,028.12
  6. Step 6: Final answer
    x = 6,197,494.83

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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.