Home / 38,553,648.33-53,203,719.78-20,912,506.73

Finding the Fourth Proportional to 38,553,648.33, 53,203,719.78 and 20,912,506.73

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Solution

The fourth proportional to 38,553,648.33, 53,203,719.78 and 20,912,506.73 is: 28,859,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553,648.33 : 53,203,719.78 = 20,912,506.73 : x
  2. Step 2: Convert to fraction form
    38,553,648.33/53,203,719.78 = 20,912,506.73/x
  3. Step 3: Cross multiply
    38,553,648.33x = 53,203,719.78 × 20,912,506.73
  4. Step 4: Simplify right side
    38,553,648.33x = 1,112,623,147,893,779.62
  5. Step 5: Solve for x
    x = 1,112,623,147,893,779.62/38,553,648.33
  6. Step 6: Final answer
    x = 28,859,088.46

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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.