Home / 29,312,806.20-43,969,209.30-20,809,750.20

Finding the Fourth Proportional to 29,312,806.20, 43,969,209.30 and 20,809,750.20

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Solution

The fourth proportional to 29,312,806.20, 43,969,209.30 and 20,809,750.20 is: 31,214,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312,806.20 : 43,969,209.30 = 20,809,750.20 : x
  2. Step 2: Convert to fraction form
    29,312,806.20/43,969,209.30 = 20,809,750.20/x
  3. Step 3: Cross multiply
    29,312,806.20x = 43,969,209.30 × 20,809,750.20
  4. Step 4: Simplify right side
    29,312,806.20x = 914,988,262,024,516.75
  5. Step 5: Solve for x
    x = 914,988,262,024,516.75/29,312,806.20
  6. Step 6: Final answer
    x = 31,214,625.30

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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.