Home / 21,881,321.56-32,823,383.10-8,418,149.56

Finding the Fourth Proportional to 21,881,321.56, 32,823,383.10 and 8,418,149.56

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Solution

The fourth proportional to 21,881,321.56, 32,823,383.10 and 8,418,149.56 is: 12,627,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,321.56 : 32,823,383.10 = 8,418,149.56 : x
  2. Step 2: Convert to fraction form
    21,881,321.56/32,823,383.10 = 8,418,149.56/x
  3. Step 3: Cross multiply
    21,881,321.56x = 32,823,383.10 × 8,418,149.56
  4. Step 4: Simplify right side
    21,881,321.56x = 276,312,148,000,976.47
  5. Step 5: Solve for x
    x = 276,312,148,000,976.47/21,881,321.56
  6. Step 6: Final answer
    x = 12,627,763.24

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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.