Home / 12,303,633.70-18,449,920.95-4,728,081.70

Finding the Fourth Proportional to 12,303,633.70, 18,449,920.95 and 4,728,081.70

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Solution

The fourth proportional to 12,303,633.70, 18,449,920.95 and 4,728,081.70 is: 7,089,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,633.70 : 18,449,920.95 = 4,728,081.70 : x
  2. Step 2: Convert to fraction form
    12,303,633.70/18,449,920.95 = 4,728,081.70/x
  3. Step 3: Cross multiply
    12,303,633.70x = 18,449,920.95 × 4,728,081.70
  4. Step 4: Simplify right side
    12,303,633.70x = 87,232,733,610,141.61
  5. Step 5: Solve for x
    x = 87,232,733,610,141.61/12,303,633.70
  6. Step 6: Final answer
    x = 7,089,997.62

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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.