Home / 12,763,145.93-19,128,753.72-6,375,181.37

Finding the Fourth Proportional to 12,763,145.93, 19,128,753.72 and 6,375,181.37

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Solution

The fourth proportional to 12,763,145.93, 19,128,753.72 and 6,375,181.37 is: 9,554,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,145.93 : 19,128,753.72 = 6,375,181.37 : x
  2. Step 2: Convert to fraction form
    12,763,145.93/19,128,753.72 = 6,375,181.37/x
  3. Step 3: Cross multiply
    12,763,145.93x = 19,128,753.72 × 6,375,181.37
  4. Step 4: Simplify right side
    12,763,145.93x = 121,949,274,251,418.42
  5. Step 5: Solve for x
    x = 121,949,274,251,418.42/12,763,145.93
  6. Step 6: Final answer
    x = 9,554,797.46

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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.