Home / 12,831,375.52-17,706,422.64-7,534,813.60

Finding the Fourth Proportional to 12,831,375.52, 17,706,422.64 and 7,534,813.60

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Solution

The fourth proportional to 12,831,375.52, 17,706,422.64 and 7,534,813.60 is: 10,397,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,375.52 : 17,706,422.64 = 7,534,813.60 : x
  2. Step 2: Convert to fraction form
    12,831,375.52/17,706,422.64 = 7,534,813.60/x
  3. Step 3: Cross multiply
    12,831,375.52x = 17,706,422.64 × 7,534,813.60
  4. Step 4: Simplify right side
    12,831,375.52x = 133,414,594,115,219.91
  5. Step 5: Solve for x
    x = 133,414,594,115,219.91/12,831,375.52
  6. Step 6: Final answer
    x = 10,397,528.61

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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.