Home / 21,334,907.52-29,442,172.41-11,545,351.71

Finding the Fourth Proportional to 21,334,907.52, 29,442,172.41 and 11,545,351.71

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Solution

The fourth proportional to 21,334,907.52, 29,442,172.41 and 11,545,351.71 is: 15,932,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,907.52 : 29,442,172.41 = 11,545,351.71 : x
  2. Step 2: Convert to fraction form
    21,334,907.52/29,442,172.41 = 11,545,351.71/x
  3. Step 3: Cross multiply
    21,334,907.52x = 29,442,172.41 × 11,545,351.71
  4. Step 4: Simplify right side
    21,334,907.52x = 339,920,235,432,697.44
  5. Step 5: Solve for x
    x = 339,920,235,432,697.44/21,334,907.52
  6. Step 6: Final answer
    x = 15,932,585.37

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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.