Home / 20,070,081-27,694,362.09-11,808,326.22

Finding the Fourth Proportional to 20,070,081, 27,694,362.09 and 11,808,326.22

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Solution

The fourth proportional to 20,070,081, 27,694,362.09 and 11,808,326.22 is: 16,294,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,081 : 27,694,362.09 = 11,808,326.22 : x
  2. Step 2: Convert to fraction form
    20,070,081/27,694,362.09 = 11,808,326.22/x
  3. Step 3: Cross multiply
    20,070,081x = 27,694,362.09 × 11,808,326.22
  4. Step 4: Simplify right side
    20,070,081x = 327,024,062,013,521
  5. Step 5: Solve for x
    x = 327,024,062,013,521/20,070,081
  6. Step 6: Final answer
    x = 16,294,107.73

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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.