Home / 12,492,081.30-18,738,121.95-7,453,233.30

Finding the Fourth Proportional to 12,492,081.30, 18,738,121.95 and 7,453,233.30

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Solution

The fourth proportional to 12,492,081.30, 18,738,121.95 and 7,453,233.30 is: 11,179,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,081.30 : 18,738,121.95 = 7,453,233.30 : x
  2. Step 2: Convert to fraction form
    12,492,081.30/18,738,121.95 = 7,453,233.30/x
  3. Step 3: Cross multiply
    12,492,081.30x = 18,738,121.95 × 7,453,233.30
  4. Step 4: Simplify right side
    12,492,081.30x = 139,659,594,497,200.92
  5. Step 5: Solve for x
    x = 139,659,594,497,200.92/12,492,081.30
  6. Step 6: Final answer
    x = 11,179,849.95

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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.