Home / 13,831,258.34-20,761,496.67-7,771,168.82

Finding the Fourth Proportional to 13,831,258.34, 20,761,496.67 and 7,771,168.82

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Solution

The fourth proportional to 13,831,258.34, 20,761,496.67 and 7,771,168.82 is: 11,664,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,258.34 : 20,761,496.67 = 7,771,168.82 : x
  2. Step 2: Convert to fraction form
    13,831,258.34/20,761,496.67 = 7,771,168.82/x
  3. Step 3: Cross multiply
    13,831,258.34x = 20,761,496.67 × 7,771,168.82
  4. Step 4: Simplify right side
    13,831,258.34x = 161,341,095,474,630.38
  5. Step 5: Solve for x
    x = 161,341,095,474,630.38/13,831,258.34
  6. Step 6: Final answer
    x = 11,664,961.46

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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.