Home / 20,479,024.99-30,713,221.86-8,182,476.55

Finding the Fourth Proportional to 20,479,024.99, 30,713,221.86 and 8,182,476.55

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Solution

The fourth proportional to 20,479,024.99, 30,713,221.86 and 8,182,476.55 is: 12,271,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,479,024.99 : 30,713,221.86 = 8,182,476.55 : x
  2. Step 2: Convert to fraction form
    20,479,024.99/30,713,221.86 = 8,182,476.55/x
  3. Step 3: Cross multiply
    20,479,024.99x = 30,713,221.86 × 8,182,476.55
  4. Step 4: Simplify right side
    20,479,024.99x = 251,310,217,644,397.38
  5. Step 5: Solve for x
    x = 251,310,217,644,397.38/20,479,024.99
  6. Step 6: Final answer
    x = 12,271,590.95

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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.