Home / 15,196,440.24-20,971,121.39-8,227,191.24

Finding the Fourth Proportional to 15,196,440.24, 20,971,121.39 and 8,227,191.24

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Solution

The fourth proportional to 15,196,440.24, 20,971,121.39 and 8,227,191.24 is: 11,353,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,440.24 : 20,971,121.39 = 8,227,191.24 : x
  2. Step 2: Convert to fraction form
    15,196,440.24/20,971,121.39 = 8,227,191.24/x
  3. Step 3: Cross multiply
    15,196,440.24x = 20,971,121.39 × 8,227,191.24
  4. Step 4: Simplify right side
    15,196,440.24x = 172,533,426,103,272.25
  5. Step 5: Solve for x
    x = 172,533,426,103,272.25/15,196,440.24
  6. Step 6: Final answer
    x = 11,353,542.24

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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.