Home / 21,353,470.20-32,030,205.30-20,308,375.80

Finding the Fourth Proportional to 21,353,470.20, 32,030,205.30 and 20,308,375.80

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Solution

The fourth proportional to 21,353,470.20, 32,030,205.30 and 20,308,375.80 is: 30,462,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,470.20 : 32,030,205.30 = 20,308,375.80 : x
  2. Step 2: Convert to fraction form
    21,353,470.20/32,030,205.30 = 20,308,375.80/x
  3. Step 3: Cross multiply
    21,353,470.20x = 32,030,205.30 × 20,308,375.80
  4. Step 4: Simplify right side
    21,353,470.20x = 650,481,446,183,551.75
  5. Step 5: Solve for x
    x = 650,481,446,183,551.75/21,353,470.20
  6. Step 6: Final answer
    x = 30,462,563.70

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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.