Home / 12,591,441.94-18,848,066.19-6,819,840.66

Finding the Fourth Proportional to 12,591,441.94, 18,848,066.19 and 6,819,840.66

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Solution

The fourth proportional to 12,591,441.94, 18,848,066.19 and 6,819,840.66 is: 10,208,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,441.94 : 18,848,066.19 = 6,819,840.66 : x
  2. Step 2: Convert to fraction form
    12,591,441.94/18,848,066.19 = 6,819,840.66/x
  3. Step 3: Cross multiply
    12,591,441.94x = 18,848,066.19 × 6,819,840.66
  4. Step 4: Simplify right side
    12,591,441.94x = 128,540,808,164,933.30
  5. Step 5: Solve for x
    x = 128,540,808,164,933.30/12,591,441.94
  6. Step 6: Final answer
    x = 10,208,585.23

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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.