Home / 7,179,664.98-9,907,925.66-3,916,479.71

Finding the Fourth Proportional to 7,179,664.98, 9,907,925.66 and 3,916,479.71

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Solution

The fourth proportional to 7,179,664.98, 9,907,925.66 and 3,916,479.71 is: 5,404,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,664.98 : 9,907,925.66 = 3,916,479.71 : x
  2. Step 2: Convert to fraction form
    7,179,664.98/9,907,925.66 = 3,916,479.71/x
  3. Step 3: Cross multiply
    7,179,664.98x = 9,907,925.66 × 3,916,479.71
  4. Step 4: Simplify right side
    7,179,664.98x = 38,804,189,783,611.05
  5. Step 5: Solve for x
    x = 38,804,189,783,611.05/7,179,664.98
  6. Step 6: Final answer
    x = 5,404,735.44

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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.