Home / 12,231,728.80-18,342,927.60-3,709,232.80

Finding the Fourth Proportional to 12,231,728.80, 18,342,927.60 and 3,709,232.80

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Solution

The fourth proportional to 12,231,728.80, 18,342,927.60 and 3,709,232.80 is: 5,562,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,728.80 : 18,342,927.60 = 3,709,232.80 : x
  2. Step 2: Convert to fraction form
    12,231,728.80/18,342,927.60 = 3,709,232.80/x
  3. Step 3: Cross multiply
    12,231,728.80x = 18,342,927.60 × 3,709,232.80
  4. Step 4: Simplify right side
    12,231,728.80x = 68,038,188,701,945.28
  5. Step 5: Solve for x
    x = 68,038,188,701,945.28/12,231,728.80
  6. Step 6: Final answer
    x = 5,562,434.37

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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.