Home / 14,876,409.57-20,529,958.86-8,261,108.80

Finding the Fourth Proportional to 14,876,409.57, 20,529,958.86 and 8,261,108.80

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Solution

The fourth proportional to 14,876,409.57, 20,529,958.86 and 8,261,108.80 is: 11,400,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876,409.57 : 20,529,958.86 = 8,261,108.80 : x
  2. Step 2: Convert to fraction form
    14,876,409.57/20,529,958.86 = 8,261,108.80/x
  3. Step 3: Cross multiply
    14,876,409.57x = 20,529,958.86 × 8,261,108.80
  4. Step 4: Simplify right side
    14,876,409.57x = 169,600,223,801,983.97
  5. Step 5: Solve for x
    x = 169,600,223,801,983.97/14,876,409.57
  6. Step 6: Final answer
    x = 11,400,615.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.