Home / 21,025,912.32-29,015,753.60-11,858,534.40

Finding the Fourth Proportional to 21,025,912.32, 29,015,753.60 and 11,858,534.40

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Solution

The fourth proportional to 21,025,912.32, 29,015,753.60 and 11,858,534.40 is: 16,364,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,912.32 : 29,015,753.60 = 11,858,534.40 : x
  2. Step 2: Convert to fraction form
    21,025,912.32/29,015,753.60 = 11,858,534.40/x
  3. Step 3: Cross multiply
    21,025,912.32x = 29,015,753.60 × 11,858,534.40
  4. Step 4: Simplify right side
    21,025,912.32x = 344,084,312,207,523.88
  5. Step 5: Solve for x
    x = 344,084,312,207,523.88/21,025,912.32
  6. Step 6: Final answer
    x = 16,364,774.43

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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.