Home / 12,601,505.90-18,888,972.82-4,922,183.45

Finding the Fourth Proportional to 12,601,505.90, 18,888,972.82 and 4,922,183.45

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Solution

The fourth proportional to 12,601,505.90, 18,888,972.82 and 4,922,183.45 is: 7,378,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,505.90 : 18,888,972.82 = 4,922,183.45 : x
  2. Step 2: Convert to fraction form
    12,601,505.90/18,888,972.82 = 4,922,183.45/x
  3. Step 3: Cross multiply
    12,601,505.90x = 18,888,972.82 × 4,922,183.45
  4. Step 4: Simplify right side
    12,601,505.90x = 92,974,989,402,103.83
  5. Step 5: Solve for x
    x = 92,974,989,402,103.83/12,601,505.90
  6. Step 6: Final answer
    x = 7,378,085.61

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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.