Home / 12,756,081.60-19,134,122.40-12,224,640.60

Finding the Fourth Proportional to 12,756,081.60, 19,134,122.40 and 12,224,640.60

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Solution

The fourth proportional to 12,756,081.60, 19,134,122.40 and 12,224,640.60 is: 18,336,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,081.60 : 19,134,122.40 = 12,224,640.60 : x
  2. Step 2: Convert to fraction form
    12,756,081.60/19,134,122.40 = 12,224,640.60/x
  3. Step 3: Cross multiply
    12,756,081.60x = 19,134,122.40 × 12,224,640.60
  4. Step 4: Simplify right side
    12,756,081.60x = 233,907,769,536,409.41
  5. Step 5: Solve for x
    x = 233,907,769,536,409.41/12,756,081.60
  6. Step 6: Final answer
    x = 18,336,960.90

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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.