Home / 14,115,180.40-21,172,770.60-13,831,745.20

Finding the Fourth Proportional to 14,115,180.40, 21,172,770.60 and 13,831,745.20

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Solution

The fourth proportional to 14,115,180.40, 21,172,770.60 and 13,831,745.20 is: 20,747,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,180.40 : 21,172,770.60 = 13,831,745.20 : x
  2. Step 2: Convert to fraction form
    14,115,180.40/21,172,770.60 = 13,831,745.20/x
  3. Step 3: Cross multiply
    14,115,180.40x = 21,172,770.60 × 13,831,745.20
  4. Step 4: Simplify right side
    14,115,180.40x = 292,856,368,117,251.12
  5. Step 5: Solve for x
    x = 292,856,368,117,251.12/14,115,180.40
  6. Step 6: Final answer
    x = 20,747,617.80

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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.