Home / 12,048,104.40-16,640,073.34-8,121,087.56

Finding the Fourth Proportional to 12,048,104.40, 16,640,073.34 and 8,121,087.56

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Solution

The fourth proportional to 12,048,104.40, 16,640,073.34 and 8,121,087.56 is: 11,216,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,104.40 : 16,640,073.34 = 8,121,087.56 : x
  2. Step 2: Convert to fraction form
    12,048,104.40/16,640,073.34 = 8,121,087.56/x
  3. Step 3: Cross multiply
    12,048,104.40x = 16,640,073.34 × 8,121,087.56
  4. Step 4: Simplify right side
    12,048,104.40x = 135,135,492,598,961.64
  5. Step 5: Solve for x
    x = 135,135,492,598,961.64/12,048,104.40
  6. Step 6: Final answer
    x = 11,216,328.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.