Home / 20,343,111.50-30,512,249.73-6,692,872.75

Finding the Fourth Proportional to 20,343,111.50, 30,512,249.73 and 6,692,872.75

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Solution

The fourth proportional to 20,343,111.50, 30,512,249.73 and 6,692,872.75 is: 10,038,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,111.50 : 30,512,249.73 = 6,692,872.75 : x
  2. Step 2: Convert to fraction form
    20,343,111.50/30,512,249.73 = 6,692,872.75/x
  3. Step 3: Cross multiply
    20,343,111.50x = 30,512,249.73 × 6,692,872.75
  4. Step 4: Simplify right side
    20,343,111.50x = 204,214,604,759,111.88
  5. Step 5: Solve for x
    x = 204,214,604,759,111.88/20,343,111.50
  6. Step 6: Final answer
    x = 10,038,513.76

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1.5x scale

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.