Home / 12,184,389.54-18,276,453.09-4,994,320.86

Finding the Fourth Proportional to 12,184,389.54, 18,276,453.09 and 4,994,320.86

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Solution

The fourth proportional to 12,184,389.54, 18,276,453.09 and 4,994,320.86 is: 7,491,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184,389.54 : 18,276,453.09 = 4,994,320.86 : x
  2. Step 2: Convert to fraction form
    12,184,389.54/18,276,453.09 = 4,994,320.86/x
  3. Step 3: Cross multiply
    12,184,389.54x = 18,276,453.09 × 4,994,320.86
  4. Step 4: Simplify right side
    12,184,389.54x = 91,278,470,914,198.47
  5. Step 5: Solve for x
    x = 91,278,470,914,198.47/12,184,389.54
  6. Step 6: Final answer
    x = 7,491,427.50

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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.