Home / 12,067,981.70-18,101,972.55-4,089,805.70

Finding the Fourth Proportional to 12,067,981.70, 18,101,972.55 and 4,089,805.70

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Solution

The fourth proportional to 12,067,981.70, 18,101,972.55 and 4,089,805.70 is: 6,134,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,981.70 : 18,101,972.55 = 4,089,805.70 : x
  2. Step 2: Convert to fraction form
    12,067,981.70/18,101,972.55 = 4,089,805.70/x
  3. Step 3: Cross multiply
    12,067,981.70x = 18,101,972.55 × 4,089,805.70
  4. Step 4: Simplify right side
    12,067,981.70x = 74,033,550,516,233.55
  5. Step 5: Solve for x
    x = 74,033,550,516,233.55/12,067,981.70
  6. Step 6: Final answer
    x = 6,134,708.55

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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.