Home / 26,078,836.80-39,144,000.24-19,579,306.08

Finding the Fourth Proportional to 26,078,836.80, 39,144,000.24 and 19,579,306.08

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Solution

The fourth proportional to 26,078,836.80, 39,144,000.24 and 19,579,306.08 is: 29,388,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078,836.80 : 39,144,000.24 = 19,579,306.08 : x
  2. Step 2: Convert to fraction form
    26,078,836.80/39,144,000.24 = 19,579,306.08/x
  3. Step 3: Cross multiply
    26,078,836.80x = 39,144,000.24 × 19,579,306.08
  4. Step 4: Simplify right side
    26,078,836.80x = 766,412,361,894,553.38
  5. Step 5: Solve for x
    x = 766,412,361,894,553.38/26,078,836.80
  6. Step 6: Final answer
    x = 29,388,287.82

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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.