Home / 20,534,115.60-30,831,452-11,453,954.04

Finding the Fourth Proportional to 20,534,115.60, 30,831,452 and 11,453,954.04

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Solution

The fourth proportional to 20,534,115.60, 30,831,452 and 11,453,954.04 is: 17,197,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,115.60 : 30,831,452 = 11,453,954.04 : x
  2. Step 2: Convert to fraction form
    20,534,115.60/30,831,452 = 11,453,954.04/x
  3. Step 3: Cross multiply
    20,534,115.60x = 30,831,452 × 11,453,954.04
  4. Step 4: Simplify right side
    20,534,115.60x = 353,142,034,040,308.81
  5. Step 5: Solve for x
    x = 353,142,034,040,308.81/20,534,115.60
  6. Step 6: Final answer
    x = 17,197,820.50

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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.