Home / 22,231,655.70-30,682,906.86-12,810,613.74

Finding the Fourth Proportional to 22,231,655.70, 30,682,906.86 and 12,810,613.74

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Solution

The fourth proportional to 22,231,655.70, 30,682,906.86 and 12,810,613.74 is: 17,680,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231,655.70 : 30,682,906.86 = 12,810,613.74 : x
  2. Step 2: Convert to fraction form
    22,231,655.70/30,682,906.86 = 12,810,613.74/x
  3. Step 3: Cross multiply
    22,231,655.70x = 30,682,906.86 × 12,810,613.74
  4. Step 4: Simplify right side
    22,231,655.70x = 393,066,868,203,856.25
  5. Step 5: Solve for x
    x = 393,066,868,203,856.25/22,231,655.70
  6. Step 6: Final answer
    x = 17,680,503.58

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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.