Home / 12,591,441.44-18,848,065.44-6,819,840.16

Finding the Fourth Proportional to 12,591,441.44, 18,848,065.44 and 6,819,840.16

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Solution

The fourth proportional to 12,591,441.44, 18,848,065.44 and 6,819,840.16 is: 10,208,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,441.44 : 18,848,065.44 = 6,819,840.16 : x
  2. Step 2: Convert to fraction form
    12,591,441.44/18,848,065.44 = 6,819,840.16/x
  3. Step 3: Cross multiply
    12,591,441.44x = 18,848,065.44 × 6,819,840.16
  4. Step 4: Simplify right side
    12,591,441.44x = 128,540,793,626,020.08
  5. Step 5: Solve for x
    x = 128,540,793,626,020.08/12,591,441.44
  6. Step 6: Final answer
    x = 10,208,584.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.