Home / 7,015,664.44-9,681,543.42-3,960,007.48

Finding the Fourth Proportional to 7,015,664.44, 9,681,543.42 and 3,960,007.48

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Solution

The fourth proportional to 7,015,664.44, 9,681,543.42 and 3,960,007.48 is: 5,464,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,664.44 : 9,681,543.42 = 3,960,007.48 : x
  2. Step 2: Convert to fraction form
    7,015,664.44/9,681,543.42 = 3,960,007.48/x
  3. Step 3: Cross multiply
    7,015,664.44x = 9,681,543.42 × 3,960,007.48
  4. Step 4: Simplify right side
    7,015,664.44x = 38,338,984,361,144.78
  5. Step 5: Solve for x
    x = 38,338,984,361,144.78/7,015,664.44
  6. Step 6: Final answer
    x = 5,464,768.83

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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.