Home / 21,438,832.56-32,140,161.72-9,299,156.46

Finding the Fourth Proportional to 21,438,832.56, 32,140,161.72 and 9,299,156.46

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Solution

The fourth proportional to 21,438,832.56, 32,140,161.72 and 9,299,156.46 is: 13,940,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,832.56 : 32,140,161.72 = 9,299,156.46 : x
  2. Step 2: Convert to fraction form
    21,438,832.56/32,140,161.72 = 9,299,156.46/x
  3. Step 3: Cross multiply
    21,438,832.56x = 32,140,161.72 × 9,299,156.46
  4. Step 4: Simplify right side
    21,438,832.56x = 298,876,392,483,982.75
  5. Step 5: Solve for x
    x = 298,876,392,483,982.75/21,438,832.56
  6. Step 6: Final answer
    x = 13,940,889.35

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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.