Home / 20,250,562.72-30,372,457.20-8,887,960.48

Finding the Fourth Proportional to 20,250,562.72, 30,372,457.20 and 8,887,960.48

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Solution

The fourth proportional to 20,250,562.72, 30,372,457.20 and 8,887,960.48 is: 13,330,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,562.72 : 30,372,457.20 = 8,887,960.48 : x
  2. Step 2: Convert to fraction form
    20,250,562.72/30,372,457.20 = 8,887,960.48/x
  3. Step 3: Cross multiply
    20,250,562.72x = 30,372,457.20 × 8,887,960.48
  4. Step 4: Simplify right side
    20,250,562.72x = 269,949,199,274,091.47
  5. Step 5: Solve for x
    x = 269,949,199,274,091.47/20,250,562.72
  6. Step 6: Final answer
    x = 13,330,454.22

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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.