Home / 7,212,200.57-9,952,761.26-3,904,420.82

Finding the Fourth Proportional to 7,212,200.57, 9,952,761.26 and 3,904,420.82

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Solution

The fourth proportional to 7,212,200.57, 9,952,761.26 and 3,904,420.82 is: 5,388,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,200.57 : 9,952,761.26 = 3,904,420.82 : x
  2. Step 2: Convert to fraction form
    7,212,200.57/9,952,761.26 = 3,904,420.82/x
  3. Step 3: Cross multiply
    7,212,200.57x = 9,952,761.26 × 3,904,420.82
  4. Step 4: Simplify right side
    7,212,200.57x = 38,859,768,210,747.52
  5. Step 5: Solve for x
    x = 38,859,768,210,747.52/7,212,200.57
  6. Step 6: Final answer
    x = 5,388,059.84

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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.