Home / 15,831,994.80-21,836,889.36-14,529,452.88

Finding the Fourth Proportional to 15,831,994.80, 21,836,889.36 and 14,529,452.88

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Solution

The fourth proportional to 15,831,994.80, 21,836,889.36 and 14,529,452.88 is: 20,040,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831,994.80 : 21,836,889.36 = 14,529,452.88 : x
  2. Step 2: Convert to fraction form
    15,831,994.80/21,836,889.36 = 14,529,452.88/x
  3. Step 3: Cross multiply
    15,831,994.80x = 21,836,889.36 × 14,529,452.88
  4. Step 4: Simplify right side
    15,831,994.80x = 317,278,055,001,893.38
  5. Step 5: Solve for x
    x = 317,278,055,001,893.38/15,831,994.80
  6. Step 6: Final answer
    x = 20,040,308.19

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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.