Home / 39,453,896.33-54,444,027.59-21,811,741.85

Finding the Fourth Proportional to 39,453,896.33, 54,444,027.59 and 21,811,741.85

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Solution

The fourth proportional to 39,453,896.33, 54,444,027.59 and 21,811,741.85 is: 30,098,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453,896.33 : 54,444,027.59 = 21,811,741.85 : x
  2. Step 2: Convert to fraction form
    39,453,896.33/54,444,027.59 = 21,811,741.85/x
  3. Step 3: Cross multiply
    39,453,896.33x = 54,444,027.59 × 21,811,741.85
  4. Step 4: Simplify right side
    39,453,896.33x = 1,187,519,075,067,357.75
  5. Step 5: Solve for x
    x = 1,187,519,075,067,357.75/39,453,896.33
  6. Step 6: Final answer
    x = 30,098,904.94

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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.