Home / 15,740,291.12-21,723,151.38-9,213,524.96

Finding the Fourth Proportional to 15,740,291.12, 21,723,151.38 and 9,213,524.96

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Solution

The fourth proportional to 15,740,291.12, 21,723,151.38 and 9,213,524.96 is: 12,715,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740,291.12 : 21,723,151.38 = 9,213,524.96 : x
  2. Step 2: Convert to fraction form
    15,740,291.12/21,723,151.38 = 9,213,524.96/x
  3. Step 3: Cross multiply
    15,740,291.12x = 21,723,151.38 × 9,213,524.96
  4. Step 4: Simplify right side
    15,740,291.12x = 200,146,797,449,488.47
  5. Step 5: Solve for x
    x = 200,146,797,449,488.47/15,740,291.12
  6. Step 6: Final answer
    x = 12,715,571.52

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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.