Home / 6,640,316.56-9,164,318.73-3,992,021.38

Finding the Fourth Proportional to 6,640,316.56, 9,164,318.73 and 3,992,021.38

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Solution

The fourth proportional to 6,640,316.56, 9,164,318.73 and 3,992,021.38 is: 5,509,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,316.56 : 9,164,318.73 = 3,992,021.38 : x
  2. Step 2: Convert to fraction form
    6,640,316.56/9,164,318.73 = 3,992,021.38/x
  3. Step 3: Cross multiply
    6,640,316.56x = 9,164,318.73 × 3,992,021.38
  4. Step 4: Simplify right side
    6,640,316.56x = 36,584,156,331,932.95
  5. Step 5: Solve for x
    x = 36,584,156,331,932.95/6,640,316.56
  6. Step 6: Final answer
    x = 5,509,399.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.