Home / 39,256,508.91-54,171,372.33-21,852,406.65

Finding the Fourth Proportional to 39,256,508.91, 54,171,372.33 and 21,852,406.65

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Solution

The fourth proportional to 39,256,508.91, 54,171,372.33 and 21,852,406.65 is: 30,154,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,256,508.91 : 54,171,372.33 = 21,852,406.65 : x
  2. Step 2: Convert to fraction form
    39,256,508.91/54,171,372.33 = 21,852,406.65/x
  3. Step 3: Cross multiply
    39,256,508.91x = 54,171,372.33 × 21,852,406.65
  4. Step 4: Simplify right side
    39,256,508.91x = 1,183,774,856,943,717.75
  5. Step 5: Solve for x
    x = 1,183,774,856,943,717.75/39,256,508.91
  6. Step 6: Final answer
    x = 30,154,868.32

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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.