Home / 15,196,407.62-20,971,076.46-8,227,158.62

Finding the Fourth Proportional to 15,196,407.62, 20,971,076.46 and 8,227,158.62

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Solution

The fourth proportional to 15,196,407.62, 20,971,076.46 and 8,227,158.62 is: 11,353,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,407.62 : 20,971,076.46 = 8,227,158.62 : x
  2. Step 2: Convert to fraction form
    15,196,407.62/20,971,076.46 = 8,227,158.62/x
  3. Step 3: Cross multiply
    15,196,407.62x = 20,971,076.46 × 8,227,158.62
  4. Step 4: Simplify right side
    15,196,407.62x = 172,532,372,468,568.09
  5. Step 5: Solve for x
    x = 172,532,372,468,568.09/15,196,407.62
  6. Step 6: Final answer
    x = 11,353,497.27

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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.