Home / 21,049,191-31,573,787.94-5,092,839

Finding the Fourth Proportional to 21,049,191, 31,573,787.94 and 5,092,839

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Solution

The fourth proportional to 21,049,191, 31,573,787.94 and 5,092,839 is: 7,639,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,191 : 31,573,787.94 = 5,092,839 : x
  2. Step 2: Convert to fraction form
    21,049,191/31,573,787.94 = 5,092,839/x
  3. Step 3: Cross multiply
    21,049,191x = 31,573,787.94 × 5,092,839
  4. Step 4: Simplify right side
    21,049,191x = 160,800,218,598,561.66
  5. Step 5: Solve for x
    x = 160,800,218,598,561.66/21,049,191
  6. Step 6: Final answer
    x = 7,639,258.85

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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.