Home / 15,388,057.89-21,234,892.37-8,861,933.25

Finding the Fourth Proportional to 15,388,057.89, 21,234,892.37 and 8,861,933.25

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Solution

The fourth proportional to 15,388,057.89, 21,234,892.37 and 8,861,933.25 is: 12,229,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388,057.89 : 21,234,892.37 = 8,861,933.25 : x
  2. Step 2: Convert to fraction form
    15,388,057.89/21,234,892.37 = 8,861,933.25/x
  3. Step 3: Cross multiply
    15,388,057.89x = 21,234,892.37 × 8,861,933.25
  4. Step 4: Simplify right side
    15,388,057.89x = 188,182,198,709,564.62
  5. Step 5: Solve for x
    x = 188,182,198,709,564.62/15,388,057.89
  6. Step 6: Final answer
    x = 12,229,106.50

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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.