Home / 38,266,391.88-52,805,345.45-21,744,223.56

Finding the Fourth Proportional to 38,266,391.88, 52,805,345.45 and 21,744,223.56

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Solution

The fourth proportional to 38,266,391.88, 52,805,345.45 and 21,744,223.56 is: 30,005,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266,391.88 : 52,805,345.45 = 21,744,223.56 : x
  2. Step 2: Convert to fraction form
    38,266,391.88/52,805,345.45 = 21,744,223.56/x
  3. Step 3: Cross multiply
    38,266,391.88x = 52,805,345.45 × 21,744,223.56
  4. Step 4: Simplify right side
    38,266,391.88x = 1,148,211,236,519,107.50
  5. Step 5: Solve for x
    x = 1,148,211,236,519,107.50/38,266,391.88
  6. Step 6: Final answer
    x = 30,005,735.58

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Double scale
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1.5x scale

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.