Home / 29,340,890.40-43,969,345.20-20,354,944.80

Finding the Fourth Proportional to 29,340,890.40, 43,969,345.20 and 20,354,944.80

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Solution

The fourth proportional to 29,340,890.40, 43,969,345.20 and 20,354,944.80 is: 30,503,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340,890.40 : 43,969,345.20 = 20,354,944.80 : x
  2. Step 2: Convert to fraction form
    29,340,890.40/43,969,345.20 = 20,354,944.80/x
  3. Step 3: Cross multiply
    29,340,890.40x = 43,969,345.20 × 20,354,944.80
  4. Step 4: Simplify right side
    29,340,890.40x = 894,993,594,438,145
  5. Step 5: Solve for x
    x = 894,993,594,438,145/29,340,890.40
  6. Step 6: Final answer
    x = 30,503,286.79

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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.