Home / 39,034,207.31-53,867,524.91-21,630,843.09

Finding the Fourth Proportional to 39,034,207.31, 53,867,524.91 and 21,630,843.09

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Solution

The fourth proportional to 39,034,207.31, 53,867,524.91 and 21,630,843.09 is: 29,850,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,207.31 : 53,867,524.91 = 21,630,843.09 : x
  2. Step 2: Convert to fraction form
    39,034,207.31/53,867,524.91 = 21,630,843.09/x
  3. Step 3: Cross multiply
    39,034,207.31x = 53,867,524.91 × 21,630,843.09
  4. Step 4: Simplify right side
    39,034,207.31x = 1,165,199,978,866,722.25
  5. Step 5: Solve for x
    x = 1,165,199,978,866,722.25/39,034,207.31
  6. Step 6: Final answer
    x = 29,850,740.14

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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.