Home / 8,491,322.14-12,725,199.32-3,869,012.08

Finding the Fourth Proportional to 8,491,322.14, 12,725,199.32 and 3,869,012.08

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Solution

The fourth proportional to 8,491,322.14, 12,725,199.32 and 3,869,012.08 is: 5,798,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,322.14 : 12,725,199.32 = 3,869,012.08 : x
  2. Step 2: Convert to fraction form
    8,491,322.14/12,725,199.32 = 3,869,012.08/x
  3. Step 3: Cross multiply
    8,491,322.14x = 12,725,199.32 × 3,869,012.08
  4. Step 4: Simplify right side
    8,491,322.14x = 49,233,949,889,487.79
  5. Step 5: Solve for x
    x = 49,233,949,889,487.79/8,491,322.14
  6. Step 6: Final answer
    x = 5,798,148.87

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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.