Home / 20,534,132.82-30,831,477.83-11,453,971.26

Finding the Fourth Proportional to 20,534,132.82, 30,831,477.83 and 11,453,971.26

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Solution

The fourth proportional to 20,534,132.82, 30,831,477.83 and 11,453,971.26 is: 17,197,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,132.82 : 30,831,477.83 = 11,453,971.26 : x
  2. Step 2: Convert to fraction form
    20,534,132.82/30,831,477.83 = 11,453,971.26/x
  3. Step 3: Cross multiply
    20,534,132.82x = 30,831,477.83 × 11,453,971.26
  4. Step 4: Simplify right side
    20,534,132.82x = 353,142,860,968,147.12
  5. Step 5: Solve for x
    x = 353,142,860,968,147.12/20,534,132.82
  6. Step 6: Final answer
    x = 17,197,846.34

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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.