Home / 21,906,101.70-32,856,042.15-7,529,832.90

Finding the Fourth Proportional to 21,906,101.70, 32,856,042.15 and 7,529,832.90

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Solution

The fourth proportional to 21,906,101.70, 32,856,042.15 and 7,529,832.90 is: 11,293,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906,101.70 : 32,856,042.15 = 7,529,832.90 : x
  2. Step 2: Convert to fraction form
    21,906,101.70/32,856,042.15 = 7,529,832.90/x
  3. Step 3: Cross multiply
    21,906,101.70x = 32,856,042.15 × 7,529,832.90
  4. Step 4: Simplify right side
    21,906,101.70x = 247,400,507,144,856.75
  5. Step 5: Solve for x
    x = 247,400,507,144,856.75/21,906,101.70
  6. Step 6: Final answer
    x = 11,293,680.21

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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.