Home / 39,034,266.88-53,867,607.24-21,630,902.80

Finding the Fourth Proportional to 39,034,266.88, 53,867,607.24 and 21,630,902.80

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Solution

The fourth proportional to 39,034,266.88, 53,867,607.24 and 21,630,902.80 is: 29,850,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,266.88 : 53,867,607.24 = 21,630,902.80 : x
  2. Step 2: Convert to fraction form
    39,034,266.88/53,867,607.24 = 21,630,902.80/x
  3. Step 3: Cross multiply
    39,034,266.88x = 53,867,607.24 × 21,630,902.80
  4. Step 4: Simplify right side
    39,034,266.88x = 1,165,204,976,277,016.25
  5. Step 5: Solve for x
    x = 1,165,204,976,277,016.25/39,034,266.88
  6. Step 6: Final answer
    x = 29,850,822.61

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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.