Home / 21,550,458.20-29,739,217.33-11,760,972.45

Finding the Fourth Proportional to 21,550,458.20, 29,739,217.33 and 11,760,972.45

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Solution

The fourth proportional to 21,550,458.20, 29,739,217.33 and 11,760,972.45 is: 16,229,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,458.20 : 29,739,217.33 = 11,760,972.45 : x
  2. Step 2: Convert to fraction form
    21,550,458.20/29,739,217.33 = 11,760,972.45/x
  3. Step 3: Cross multiply
    21,550,458.20x = 29,739,217.33 × 11,760,972.45
  4. Step 4: Simplify right side
    21,550,458.20x = 349,762,115,702,692.50
  5. Step 5: Solve for x
    x = 349,762,115,702,692.50/21,550,458.20
  6. Step 6: Final answer
    x = 16,229,915.51

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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.