Home / 20,659,040.20-30,915,077.10-17,992,649.80

Finding the Fourth Proportional to 20,659,040.20, 30,915,077.10 and 17,992,649.80

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Solution

The fourth proportional to 20,659,040.20, 30,915,077.10 and 17,992,649.80 is: 26,924,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,040.20 : 30,915,077.10 = 17,992,649.80 : x
  2. Step 2: Convert to fraction form
    20,659,040.20/30,915,077.10 = 17,992,649.80/x
  3. Step 3: Cross multiply
    20,659,040.20x = 30,915,077.10 × 17,992,649.80
  4. Step 4: Simplify right side
    20,659,040.20x = 556,244,155,800,299.62
  5. Step 5: Solve for x
    x = 556,244,155,800,299.62/20,659,040.20
  6. Step 6: Final answer
    x = 26,924,975.72

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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.