Home / 7,810,871.66-11,718,178.11-3,259,388.57

Finding the Fourth Proportional to 7,810,871.66, 11,718,178.11 and 3,259,388.57

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Solution

The fourth proportional to 7,810,871.66, 11,718,178.11 and 3,259,388.57 is: 4,889,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,871.66 : 11,718,178.11 = 3,259,388.57 : x
  2. Step 2: Convert to fraction form
    7,810,871.66/11,718,178.11 = 3,259,388.57/x
  3. Step 3: Cross multiply
    7,810,871.66x = 11,718,178.11 × 3,259,388.57
  4. Step 4: Simplify right side
    7,810,871.66x = 38,194,095,734,367.31
  5. Step 5: Solve for x
    x = 38,194,095,734,367.31/7,810,871.66
  6. Step 6: Final answer
    x = 4,889,863.44

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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.