Home / 13,804,940.80-20,707,216.80-6,231,894.40

Finding the Fourth Proportional to 13,804,940.80, 20,707,216.80 and 6,231,894.40

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Solution

The fourth proportional to 13,804,940.80, 20,707,216.80 and 6,231,894.40 is: 9,347,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804,940.80 : 20,707,216.80 = 6,231,894.40 : x
  2. Step 2: Convert to fraction form
    13,804,940.80/20,707,216.80 = 6,231,894.40/x
  3. Step 3: Cross multiply
    13,804,940.80x = 20,707,216.80 × 6,231,894.40
  4. Step 4: Simplify right side
    13,804,940.80x = 129,045,188,415,505.94
  5. Step 5: Solve for x
    x = 129,045,188,415,505.94/13,804,940.80
  6. Step 6: Final answer
    x = 9,347,753.84

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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.