Home / 29,354,920.40-43,945,289.40-21,815,310.80

Finding the Fourth Proportional to 29,354,920.40, 43,945,289.40 and 21,815,310.80

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Solution

The fourth proportional to 29,354,920.40, 43,945,289.40 and 21,815,310.80 is: 32,658,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,354,920.40 : 43,945,289.40 = 21,815,310.80 : x
  2. Step 2: Convert to fraction form
    29,354,920.40/43,945,289.40 = 21,815,310.80/x
  3. Step 3: Cross multiply
    29,354,920.40x = 43,945,289.40 × 21,815,310.80
  4. Step 4: Simplify right side
    29,354,920.40x = 958,680,146,456,945.50
  5. Step 5: Solve for x
    x = 958,680,146,456,945.50/29,354,920.40
  6. Step 6: Final answer
    x = 32,658,243.78

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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.