Home / 21,276,257.22-31,912,391.36-6,899,449.58

Finding the Fourth Proportional to 21,276,257.22, 31,912,391.36 and 6,899,449.58

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Solution

The fourth proportional to 21,276,257.22, 31,912,391.36 and 6,899,449.58 is: 10,348,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,257.22 : 31,912,391.36 = 6,899,449.58 : x
  2. Step 2: Convert to fraction form
    21,276,257.22/31,912,391.36 = 6,899,449.58/x
  3. Step 3: Cross multiply
    21,276,257.22x = 31,912,391.36 × 6,899,449.58
  4. Step 4: Simplify right side
    21,276,257.22x = 220,177,934,971,488.44
  5. Step 5: Solve for x
    x = 220,177,934,971,488.44/21,276,257.22
  6. Step 6: Final answer
    x = 10,348,527.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.