Home / 21,723,075-29,977,863.30-11,934,153.36

Finding the Fourth Proportional to 21,723,075, 29,977,863.30 and 11,934,153.36

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Solution

The fourth proportional to 21,723,075, 29,977,863.30 and 11,934,153.36 is: 16,469,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,075 : 29,977,863.30 = 11,934,153.36 : x
  2. Step 2: Convert to fraction form
    21,723,075/29,977,863.30 = 11,934,153.36/x
  3. Step 3: Cross multiply
    21,723,075x = 29,977,863.30 × 11,934,153.36
  4. Step 4: Simplify right side
    21,723,075x = 357,760,418,027,315.69
  5. Step 5: Solve for x
    x = 357,760,418,027,315.69/21,723,075
  6. Step 6: Final answer
    x = 16,469,142.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.