Home / 29,313,121.20-43,985,428.20-12,275,516.40

Finding the Fourth Proportional to 29,313,121.20, 43,985,428.20 and 12,275,516.40

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Solution

The fourth proportional to 29,313,121.20, 43,985,428.20 and 12,275,516.40 is: 18,419,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313,121.20 : 43,985,428.20 = 12,275,516.40 : x
  2. Step 2: Convert to fraction form
    29,313,121.20/43,985,428.20 = 12,275,516.40/x
  3. Step 3: Cross multiply
    29,313,121.20x = 43,985,428.20 × 12,275,516.40
  4. Step 4: Simplify right side
    29,313,121.20x = 539,943,845,230,122.56
  5. Step 5: Solve for x
    x = 539,943,845,230,122.56/29,313,121.20
  6. Step 6: Final answer
    x = 18,419,868.75

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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.