Home / 12,651,033.12-18,977,716.28-4,131,414.24

Finding the Fourth Proportional to 12,651,033.12, 18,977,716.28 and 4,131,414.24

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Solution

The fourth proportional to 12,651,033.12, 18,977,716.28 and 4,131,414.24 is: 6,197,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,033.12 : 18,977,716.28 = 4,131,414.24 : x
  2. Step 2: Convert to fraction form
    12,651,033.12/18,977,716.28 = 4,131,414.24/x
  3. Step 3: Cross multiply
    12,651,033.12x = 18,977,716.28 × 4,131,414.24
  4. Step 4: Simplify right side
    12,651,033.12x = 78,404,807,281,871.84
  5. Step 5: Solve for x
    x = 78,404,807,281,871.84/12,651,033.12
  6. Step 6: Final answer
    x = 6,197,502.33

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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.