Home / 10,242,835.97-15,351,008.76-7,663,816.22

Finding the Fourth Proportional to 10,242,835.97, 15,351,008.76 and 7,663,816.22

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Solution

The fourth proportional to 10,242,835.97, 15,351,008.76 and 7,663,816.22 is: 11,485,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242,835.97 : 15,351,008.76 = 7,663,816.22 : x
  2. Step 2: Convert to fraction form
    10,242,835.97/15,351,008.76 = 7,663,816.22/x
  3. Step 3: Cross multiply
    10,242,835.97x = 15,351,008.76 × 7,663,816.22
  4. Step 4: Simplify right side
    10,242,835.97x = 117,647,309,851,495.05
  5. Step 5: Solve for x
    x = 117,647,309,851,495.05/10,242,835.97
  6. Step 6: Final answer
    x = 11,485,814.11

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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.