Home / 10,907,874.16-15,080,076.12-8,186,896.24

Finding the Fourth Proportional to 10,907,874.16, 15,080,076.12 and 8,186,896.24

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Solution

The fourth proportional to 10,907,874.16, 15,080,076.12 and 8,186,896.24 is: 11,318,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907,874.16 : 15,080,076.12 = 8,186,896.24 : x
  2. Step 2: Convert to fraction form
    10,907,874.16/15,080,076.12 = 8,186,896.24/x
  3. Step 3: Cross multiply
    10,907,874.16x = 15,080,076.12 × 8,186,896.24
  4. Step 4: Simplify right side
    10,907,874.16x = 123,459,018,485,741.78
  5. Step 5: Solve for x
    x = 123,459,018,485,741.78/10,907,874.16
  6. Step 6: Final answer
    x = 11,318,339.09

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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.