Home / 15,498,621.87-21,388,092-8,529,299.46

Finding the Fourth Proportional to 15,498,621.87, 21,388,092 and 8,529,299.46

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Solution

The fourth proportional to 15,498,621.87, 21,388,092 and 8,529,299.46 is: 11,770,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498,621.87 : 21,388,092 = 8,529,299.46 : x
  2. Step 2: Convert to fraction form
    15,498,621.87/21,388,092 = 8,529,299.46/x
  3. Step 3: Cross multiply
    15,498,621.87x = 21,388,092 × 8,529,299.46
  4. Step 4: Simplify right side
    15,498,621.87x = 182,425,441,546,030.34
  5. Step 5: Solve for x
    x = 182,425,441,546,030.34/15,498,621.87
  6. Step 6: Final answer
    x = 11,770,429.85

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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.