Home / 21,621,005.34-29,836,527.03-11,831,410.14

Finding the Fourth Proportional to 21,621,005.34, 29,836,527.03 and 11,831,410.14

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Solution

The fourth proportional to 21,621,005.34, 29,836,527.03 and 11,831,410.14 is: 16,327,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,005.34 : 29,836,527.03 = 11,831,410.14 : x
  2. Step 2: Convert to fraction form
    21,621,005.34/29,836,527.03 = 11,831,410.14/x
  3. Step 3: Cross multiply
    21,621,005.34x = 29,836,527.03 × 11,831,410.14
  4. Step 4: Simplify right side
    21,621,005.34x = 353,008,188,445,126.12
  5. Step 5: Solve for x
    x = 353,008,188,445,126.12/21,621,005.34
  6. Step 6: Final answer
    x = 16,327,094.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.