Home / 26,078,836.30-39,143,999.49-19,579,305.58

Finding the Fourth Proportional to 26,078,836.30, 39,143,999.49 and 19,579,305.58

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Solution

The fourth proportional to 26,078,836.30, 39,143,999.49 and 19,579,305.58 is: 29,388,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078,836.30 : 39,143,999.49 = 19,579,305.58 : x
  2. Step 2: Convert to fraction form
    26,078,836.30/39,143,999.49 = 19,579,305.58/x
  3. Step 3: Cross multiply
    26,078,836.30x = 39,143,999.49 × 19,579,305.58
  4. Step 4: Simplify right side
    26,078,836.30x = 766,412,327,638,074.12
  5. Step 5: Solve for x
    x = 766,412,327,638,074.12/26,078,836.30
  6. Step 6: Final answer
    x = 29,388,287.07

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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.