Home / 13,831,257.96-20,761,496.10-7,771,168.44

Finding the Fourth Proportional to 13,831,257.96, 20,761,496.10 and 7,771,168.44

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Solution

The fourth proportional to 13,831,257.96, 20,761,496.10 and 7,771,168.44 is: 11,664,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,257.96 : 20,761,496.10 = 7,771,168.44 : x
  2. Step 2: Convert to fraction form
    13,831,257.96/20,761,496.10 = 7,771,168.44/x
  3. Step 3: Cross multiply
    13,831,257.96x = 20,761,496.10 × 7,771,168.44
  4. Step 4: Simplify right side
    13,831,257.96x = 161,341,083,259,503.09
  5. Step 5: Solve for x
    x = 161,341,083,259,503.09/13,831,257.96
  6. Step 6: Final answer
    x = 11,664,960.90

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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.