Home / 21,334,907.67-29,442,172.62-11,545,351.85

Finding the Fourth Proportional to 21,334,907.67, 29,442,172.62 and 11,545,351.85

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Solution

The fourth proportional to 21,334,907.67, 29,442,172.62 and 11,545,351.85 is: 15,932,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,907.67 : 29,442,172.62 = 11,545,351.85 : x
  2. Step 2: Convert to fraction form
    21,334,907.67/29,442,172.62 = 11,545,351.85/x
  3. Step 3: Cross multiply
    21,334,907.67x = 29,442,172.62 × 11,545,351.85
  4. Step 4: Simplify right side
    21,334,907.67x = 339,920,242,126,336.38
  5. Step 5: Solve for x
    x = 339,920,242,126,336.38/21,334,907.67
  6. Step 6: Final answer
    x = 15,932,585.57

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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.