Home / 39,034,264.88-53,867,604.48-21,630,900.80

Finding the Fourth Proportional to 39,034,264.88, 53,867,604.48 and 21,630,900.80

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Solution

The fourth proportional to 39,034,264.88, 53,867,604.48 and 21,630,900.80 is: 29,850,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,264.88 : 53,867,604.48 = 21,630,900.80 : x
  2. Step 2: Convert to fraction form
    39,034,264.88/53,867,604.48 = 21,630,900.80/x
  3. Step 3: Cross multiply
    39,034,264.88x = 53,867,604.48 × 21,630,900.80
  4. Step 4: Simplify right side
    39,034,264.88x = 1,165,204,808,840,515.50
  5. Step 5: Solve for x
    x = 1,165,204,808,840,515.50/39,034,264.88
  6. Step 6: Final answer
    x = 29,850,819.85

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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.