Home / 12,328,609.46-18,493,039.02-5,505,530.31

Finding the Fourth Proportional to 12,328,609.46, 18,493,039.02 and 5,505,530.31

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Solution

The fourth proportional to 12,328,609.46, 18,493,039.02 and 5,505,530.31 is: 8,258,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328,609.46 : 18,493,039.02 = 5,505,530.31 : x
  2. Step 2: Convert to fraction form
    12,328,609.46/18,493,039.02 = 5,505,530.31/x
  3. Step 3: Cross multiply
    12,328,609.46x = 18,493,039.02 × 5,505,530.31
  4. Step 4: Simplify right side
    12,328,609.46x = 101,813,986,869,268.42
  5. Step 5: Solve for x
    x = 101,813,986,869,268.42/12,328,609.46
  6. Step 6: Final answer
    x = 8,258,351.21

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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.