Home / 39,439,225.80-54,428,947.94-21,797,749.24

Finding the Fourth Proportional to 39,439,225.80, 54,428,947.94 and 21,797,749.24

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Solution

The fourth proportional to 39,439,225.80, 54,428,947.94 and 21,797,749.24 is: 30,082,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439,225.80 : 54,428,947.94 = 21,797,749.24 : x
  2. Step 2: Convert to fraction form
    39,439,225.80/54,428,947.94 = 21,797,749.24/x
  3. Step 3: Cross multiply
    39,439,225.80x = 54,428,947.94 × 21,797,749.24
  4. Step 4: Simplify right side
    39,439,225.80x = 1,186,428,558,511,556.75
  5. Step 5: Solve for x
    x = 1,186,428,558,511,556.75/39,439,225.80
  6. Step 6: Final answer
    x = 30,082,450.52

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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.