Home / 12,543,329.94-18,814,958.31-3,445,436.22

Finding the Fourth Proportional to 12,543,329.94, 18,814,958.31 and 3,445,436.22

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Solution

The fourth proportional to 12,543,329.94, 18,814,958.31 and 3,445,436.22 is: 5,168,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,329.94 : 18,814,958.31 = 3,445,436.22 : x
  2. Step 2: Convert to fraction form
    12,543,329.94/18,814,958.31 = 3,445,436.22/x
  3. Step 3: Cross multiply
    12,543,329.94x = 18,814,958.31 × 3,445,436.22
  4. Step 4: Simplify right side
    12,543,329.94x = 64,825,738,771,739.72
  5. Step 5: Solve for x
    x = 64,825,738,771,739.72/12,543,329.94
  6. Step 6: Final answer
    x = 5,168,144.27

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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.