Home / 12,482,745.60-18,692,625.60-9,963,321.60

Finding the Fourth Proportional to 12,482,745.60, 18,692,625.60 and 9,963,321.60

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Solution

The fourth proportional to 12,482,745.60, 18,692,625.60 and 9,963,321.60 is: 14,919,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,745.60 : 18,692,625.60 = 9,963,321.60 : x
  2. Step 2: Convert to fraction form
    12,482,745.60/18,692,625.60 = 9,963,321.60/x
  3. Step 3: Cross multiply
    12,482,745.60x = 18,692,625.60 × 9,963,321.60
  4. Step 4: Simplify right side
    12,482,745.60x = 186,240,640,401,192.97
  5. Step 5: Solve for x
    x = 186,240,640,401,192.97/12,482,745.60
  6. Step 6: Final answer
    x = 14,919,845.87

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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.