Home / 12,140,974.60-18,211,040.70-3,043,151.80

Finding the Fourth Proportional to 12,140,974.60, 18,211,040.70 and 3,043,151.80

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Solution

The fourth proportional to 12,140,974.60, 18,211,040.70 and 3,043,151.80 is: 4,564,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,974.60 : 18,211,040.70 = 3,043,151.80 : x
  2. Step 2: Convert to fraction form
    12,140,974.60/18,211,040.70 = 3,043,151.80/x
  3. Step 3: Cross multiply
    12,140,974.60x = 18,211,040.70 × 3,043,151.80
  4. Step 4: Simplify right side
    12,140,974.60x = 55,418,961,286,078.26
  5. Step 5: Solve for x
    x = 55,418,961,286,078.26/12,140,974.60
  6. Step 6: Final answer
    x = 4,564,622.13

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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.