Home / 39,034,203.93-53,867,520.25-21,630,839.72

Finding the Fourth Proportional to 39,034,203.93, 53,867,520.25 and 21,630,839.72

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Solution

The fourth proportional to 39,034,203.93, 53,867,520.25 and 21,630,839.72 is: 29,850,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,203.93 : 53,867,520.25 = 21,630,839.72 : x
  2. Step 2: Convert to fraction form
    39,034,203.93/53,867,520.25 = 21,630,839.72/x
  3. Step 3: Cross multiply
    39,034,203.93x = 53,867,520.25 × 21,630,839.72
  4. Step 4: Simplify right side
    39,034,203.93x = 1,165,199,696,318,189.75
  5. Step 5: Solve for x
    x = 1,165,199,696,318,189.75/39,034,203.93
  6. Step 6: Final answer
    x = 29,850,735.48

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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.