Home / 8,120,165.25-11,203,069.35-4,632,998.88

Finding the Fourth Proportional to 8,120,165.25, 11,203,069.35 and 4,632,998.88

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Solution

The fourth proportional to 8,120,165.25, 11,203,069.35 and 4,632,998.88 is: 6,391,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,165.25 : 11,203,069.35 = 4,632,998.88 : x
  2. Step 2: Convert to fraction form
    8,120,165.25/11,203,069.35 = 4,632,998.88/x
  3. Step 3: Cross multiply
    8,120,165.25x = 11,203,069.35 × 4,632,998.88
  4. Step 4: Simplify right side
    8,120,165.25x = 51,903,807,751,112.33
  5. Step 5: Solve for x
    x = 51,903,807,751,112.33/8,120,165.25
  6. Step 6: Final answer
    x = 6,391,964.47

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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.