Home / 21,933,115.20-32,899,672.80-21,303,259.20

Finding the Fourth Proportional to 21,933,115.20, 32,899,672.80 and 21,303,259.20

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Solution

The fourth proportional to 21,933,115.20, 32,899,672.80 and 21,303,259.20 is: 31,954,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,115.20 : 32,899,672.80 = 21,303,259.20 : x
  2. Step 2: Convert to fraction form
    21,933,115.20/32,899,672.80 = 21,303,259.20/x
  3. Step 3: Cross multiply
    21,933,115.20x = 32,899,672.80 × 21,303,259.20
  4. Step 4: Simplify right side
    21,933,115.20x = 700,870,257,253,589.75
  5. Step 5: Solve for x
    x = 700,870,257,253,589.75/21,933,115.20
  6. Step 6: Final answer
    x = 31,954,888.80

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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.