Home / 38,785,872.34-53,524,916.25-21,382,840.29

Finding the Fourth Proportional to 38,785,872.34, 53,524,916.25 and 21,382,840.29

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Solution

The fourth proportional to 38,785,872.34, 53,524,916.25 and 21,382,840.29 is: 29,508,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785,872.34 : 53,524,916.25 = 21,382,840.29 : x
  2. Step 2: Convert to fraction form
    38,785,872.34/53,524,916.25 = 21,382,840.29/x
  3. Step 3: Cross multiply
    38,785,872.34x = 53,524,916.25 × 21,382,840.29
  4. Step 4: Simplify right side
    38,785,872.34x = 1,144,514,735,709,375.75
  5. Step 5: Solve for x
    x = 1,144,514,735,709,375.75/38,785,872.34
  6. Step 6: Final answer
    x = 29,508,546.97

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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.