Home / 7,111,844.88-9,814,345.32-3,848,659.20

Finding the Fourth Proportional to 7,111,844.88, 9,814,345.32 and 3,848,659.20

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Solution

The fourth proportional to 7,111,844.88, 9,814,345.32 and 3,848,659.20 is: 5,311,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,844.88 : 9,814,345.32 = 3,848,659.20 : x
  2. Step 2: Convert to fraction form
    7,111,844.88/9,814,345.32 = 3,848,659.20/x
  3. Step 3: Cross multiply
    7,111,844.88x = 9,814,345.32 × 3,848,659.20
  4. Step 4: Simplify right side
    7,111,844.88x = 37,772,070,407,794.95
  5. Step 5: Solve for x
    x = 37,772,070,407,794.95/7,111,844.88
  6. Step 6: Final answer
    x = 5,311,149.36

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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.