Home / 15,196,975.66-20,971,830.93-8,227,651.83

Finding the Fourth Proportional to 15,196,975.66, 20,971,830.93 and 8,227,651.83

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Solution

The fourth proportional to 15,196,975.66, 20,971,830.93 and 8,227,651.83 is: 11,354,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,975.66 : 20,971,830.93 = 8,227,651.83 : x
  2. Step 2: Convert to fraction form
    15,196,975.66/20,971,830.93 = 8,227,651.83/x
  3. Step 3: Cross multiply
    15,196,975.66x = 20,971,830.93 × 8,227,651.83
  4. Step 4: Simplify right side
    15,196,975.66x = 172,548,923,024,805.94
  5. Step 5: Solve for x
    x = 172,548,923,024,805.94/15,196,975.66
  6. Step 6: Final answer
    x = 11,354,161.97

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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.