Home / 7,112,163.12-9,814,786.08-3,848,978.88

Finding the Fourth Proportional to 7,112,163.12, 9,814,786.08 and 3,848,978.88

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Solution

The fourth proportional to 7,112,163.12, 9,814,786.08 and 3,848,978.88 is: 5,311,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,163.12 : 9,814,786.08 = 3,848,978.88 : x
  2. Step 2: Convert to fraction form
    7,112,163.12/9,814,786.08 = 3,848,978.88/x
  3. Step 3: Cross multiply
    7,112,163.12x = 9,814,786.08 × 3,848,978.88
  4. Step 4: Simplify right side
    7,112,163.12x = 37,776,904,333,637.99
  5. Step 5: Solve for x
    x = 37,776,904,333,637.99/7,112,163.12
  6. Step 6: Final answer
    x = 5,311,591.38

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1.5x scale

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.