Home / 21,491,267.20-32,236,900.80-19,507,220.80

Finding the Fourth Proportional to 21,491,267.20, 32,236,900.80 and 19,507,220.80

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Solution

The fourth proportional to 21,491,267.20, 32,236,900.80 and 19,507,220.80 is: 29,260,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,267.20 : 32,236,900.80 = 19,507,220.80 : x
  2. Step 2: Convert to fraction form
    21,491,267.20/32,236,900.80 = 19,507,220.80/x
  3. Step 3: Cross multiply
    21,491,267.20x = 32,236,900.80 × 19,507,220.80
  4. Step 4: Simplify right side
    21,491,267.20x = 628,852,341,813,296.62
  5. Step 5: Solve for x
    x = 628,852,341,813,296.62/21,491,267.20
  6. Step 6: Final answer
    x = 29,260,831.20

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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.