Home / 21,244,598.64-31,813,086.42-13,173,337.44

Finding the Fourth Proportional to 21,244,598.64, 31,813,086.42 and 13,173,337.44

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Solution

The fourth proportional to 21,244,598.64, 31,813,086.42 and 13,173,337.44 is: 19,726,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,598.64 : 31,813,086.42 = 13,173,337.44 : x
  2. Step 2: Convert to fraction form
    21,244,598.64/31,813,086.42 = 13,173,337.44/x
  3. Step 3: Cross multiply
    21,244,598.64x = 31,813,086.42 × 13,173,337.44
  4. Step 4: Simplify right side
    21,244,598.64x = 419,084,522,418,541.56
  5. Step 5: Solve for x
    x = 419,084,522,418,541.56/21,244,598.64
  6. Step 6: Final answer
    x = 19,726,638.73

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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.