Home / 7,179,479.24-9,907,744.64-3,916,308.47

Finding the Fourth Proportional to 7,179,479.24, 9,907,744.64 and 3,916,308.47

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Solution

The fourth proportional to 7,179,479.24, 9,907,744.64 and 3,916,308.47 is: 5,404,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,479.24 : 9,907,744.64 = 3,916,308.47 : x
  2. Step 2: Convert to fraction form
    7,179,479.24/9,907,744.64 = 3,916,308.47/x
  3. Step 3: Cross multiply
    7,179,479.24x = 9,907,744.64 × 3,916,308.47
  4. Step 4: Simplify right side
    7,179,479.24x = 38,801,784,183,108.84
  5. Step 5: Solve for x
    x = 38,801,784,183,108.84/7,179,479.24
  6. Step 6: Final answer
    x = 5,404,540.21

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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.