Home / 21,491,348.20-32,237,022.30-19,507,301.80

Finding the Fourth Proportional to 21,491,348.20, 32,237,022.30 and 19,507,301.80

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Solution

The fourth proportional to 21,491,348.20, 32,237,022.30 and 19,507,301.80 is: 29,260,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,348.20 : 32,237,022.30 = 19,507,301.80 : x
  2. Step 2: Convert to fraction form
    21,491,348.20/32,237,022.30 = 19,507,301.80/x
  3. Step 3: Cross multiply
    21,491,348.20x = 32,237,022.30 × 19,507,301.80
  4. Step 4: Simplify right side
    21,491,348.20x = 628,857,323,139,430.12
  5. Step 5: Solve for x
    x = 628,857,323,139,430.12/21,491,348.20
  6. Step 6: Final answer
    x = 29,260,952.70

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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.