Home / 12,831,651.18-17,701,742.91-11,363,056.38

Finding the Fourth Proportional to 12,831,651.18, 17,701,742.91 and 11,363,056.38

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Solution

The fourth proportional to 12,831,651.18, 17,701,742.91 and 11,363,056.38 is: 15,675,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,651.18 : 17,701,742.91 = 11,363,056.38 : x
  2. Step 2: Convert to fraction form
    12,831,651.18/17,701,742.91 = 11,363,056.38/x
  3. Step 3: Cross multiply
    12,831,651.18x = 17,701,742.91 × 11,363,056.38
  4. Step 4: Simplify right side
    12,831,651.18x = 201,145,902,622,086.56
  5. Step 5: Solve for x
    x = 201,145,902,622,086.56/12,831,651.18
  6. Step 6: Final answer
    x = 15,675,761.43

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Why These Related Problems?

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