Home / 15,342,467.72-21,172,562.04-8,466,900.62

Finding the Fourth Proportional to 15,342,467.72, 21,172,562.04 and 8,466,900.62

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Solution

The fourth proportional to 15,342,467.72, 21,172,562.04 and 8,466,900.62 is: 11,684,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,467.72 : 21,172,562.04 = 8,466,900.62 : x
  2. Step 2: Convert to fraction form
    15,342,467.72/21,172,562.04 = 8,466,900.62/x
  3. Step 3: Cross multiply
    15,342,467.72x = 21,172,562.04 × 8,466,900.62
  4. Step 4: Simplify right side
    15,342,467.72x = 179,265,978,663,464.44
  5. Step 5: Solve for x
    x = 179,265,978,663,464.44/15,342,467.72
  6. Step 6: Final answer
    x = 11,684,298.90

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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.