Home / 10,907,134.16-15,079,054.92-8,186,156.24

Finding the Fourth Proportional to 10,907,134.16, 15,079,054.92 and 8,186,156.24

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Solution

The fourth proportional to 10,907,134.16, 15,079,054.92 and 8,186,156.24 is: 11,317,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907,134.16 : 15,079,054.92 = 8,186,156.24 : x
  2. Step 2: Convert to fraction form
    10,907,134.16/15,079,054.92 = 8,186,156.24/x
  3. Step 3: Cross multiply
    10,907,134.16x = 15,079,054.92 × 8,186,156.24
  4. Step 4: Simplify right side
    10,907,134.16x = 123,439,499,526,660.70
  5. Step 5: Solve for x
    x = 123,439,499,526,660.70/10,907,134.16
  6. Step 6: Final answer
    x = 11,317,317.43

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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.