Home / 13,831,253.46-20,761,489.35-7,771,163.94

Finding the Fourth Proportional to 13,831,253.46, 20,761,489.35 and 7,771,163.94

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Solution

The fourth proportional to 13,831,253.46, 20,761,489.35 and 7,771,163.94 is: 11,664,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,253.46 : 20,761,489.35 = 7,771,163.94 : x
  2. Step 2: Convert to fraction form
    13,831,253.46/20,761,489.35 = 7,771,163.94/x
  3. Step 3: Cross multiply
    13,831,253.46x = 20,761,489.35 × 7,771,163.94
  4. Step 4: Simplify right side
    13,831,253.46x = 161,340,937,377,414.06
  5. Step 5: Solve for x
    x = 161,340,937,377,414.06/13,831,253.46
  6. Step 6: Final answer
    x = 11,664,954.14

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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.