Home / 10,978,388.12-15,150,265.31-6,083,691.98

Finding the Fourth Proportional to 10,978,388.12, 15,150,265.31 and 6,083,691.98

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Solution

The fourth proportional to 10,978,388.12, 15,150,265.31 and 6,083,691.98 is: 8,395,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,388.12 : 15,150,265.31 = 6,083,691.98 : x
  2. Step 2: Convert to fraction form
    10,978,388.12/15,150,265.31 = 6,083,691.98/x
  3. Step 3: Cross multiply
    10,978,388.12x = 15,150,265.31 × 6,083,691.98
  4. Step 4: Simplify right side
    10,978,388.12x = 92,169,547,500,777.11
  5. Step 5: Solve for x
    x = 92,169,547,500,777.11/10,978,388.12
  6. Step 6: Final answer
    x = 8,395,544.63

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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.