Home / 12,302,441.80-18,453,662.70-5,111,585.80

Finding the Fourth Proportional to 12,302,441.80, 18,453,662.70 and 5,111,585.80

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Solution

The fourth proportional to 12,302,441.80, 18,453,662.70 and 5,111,585.80 is: 7,667,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,441.80 : 18,453,662.70 = 5,111,585.80 : x
  2. Step 2: Convert to fraction form
    12,302,441.80/18,453,662.70 = 5,111,585.80/x
  3. Step 3: Cross multiply
    12,302,441.80x = 18,453,662.70 × 5,111,585.80
  4. Step 4: Simplify right side
    12,302,441.80x = 94,327,480,215,309.66
  5. Step 5: Solve for x
    x = 94,327,480,215,309.66/12,302,441.80
  6. Step 6: Final answer
    x = 7,667,378.70

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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.