Home / 20,351,846.24-28,086,624.80-11,533,006.88

Finding the Fourth Proportional to 20,351,846.24, 28,086,624.80 and 11,533,006.88

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Solution

The fourth proportional to 20,351,846.24, 28,086,624.80 and 11,533,006.88 is: 15,916,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,846.24 : 28,086,624.80 = 11,533,006.88 : x
  2. Step 2: Convert to fraction form
    20,351,846.24/28,086,624.80 = 11,533,006.88/x
  3. Step 3: Cross multiply
    20,351,846.24x = 28,086,624.80 × 11,533,006.88
  4. Step 4: Simplify right side
    20,351,846.24x = 323,923,237,054,378.62
  5. Step 5: Solve for x
    x = 323,923,237,054,378.62/20,351,846.24
  6. Step 6: Final answer
    x = 15,916,159.80

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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.