Home / 20,347,360.60-30,556,470.30-10,781,422.60

Finding the Fourth Proportional to 20,347,360.60, 30,556,470.30 and 10,781,422.60

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Solution

The fourth proportional to 20,347,360.60, 30,556,470.30 and 10,781,422.60 is: 16,190,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,360.60 : 30,556,470.30 = 10,781,422.60 : x
  2. Step 2: Convert to fraction form
    20,347,360.60/30,556,470.30 = 10,781,422.60/x
  3. Step 3: Cross multiply
    20,347,360.60x = 30,556,470.30 × 10,781,422.60
  4. Step 4: Simplify right side
    20,347,360.60x = 329,442,219,468,648.75
  5. Step 5: Solve for x
    x = 329,442,219,468,648.75/20,347,360.60
  6. Step 6: Final answer
    x = 16,190,906.82

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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.