Home / 21,074,127.49-29,082,934.88-11,782,089.04

Finding the Fourth Proportional to 21,074,127.49, 29,082,934.88 and 11,782,089.04

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Solution

The fourth proportional to 21,074,127.49, 29,082,934.88 and 11,782,089.04 is: 16,259,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,127.49 : 29,082,934.88 = 11,782,089.04 : x
  2. Step 2: Convert to fraction form
    21,074,127.49/29,082,934.88 = 11,782,089.04/x
  3. Step 3: Cross multiply
    21,074,127.49x = 29,082,934.88 × 11,782,089.04
  4. Step 4: Simplify right side
    21,074,127.49x = 342,657,728,267,777.25
  5. Step 5: Solve for x
    x = 342,657,728,267,777.25/21,074,127.49
  6. Step 6: Final answer
    x = 16,259,640.09

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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.