Home / 21,049,087.75-31,573,632.84-5,092,735.75

Finding the Fourth Proportional to 21,049,087.75, 31,573,632.84 and 5,092,735.75

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Solution

The fourth proportional to 21,049,087.75, 31,573,632.84 and 5,092,735.75 is: 7,639,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,087.75 : 31,573,632.84 = 5,092,735.75 : x
  2. Step 2: Convert to fraction form
    21,049,087.75/31,573,632.84 = 5,092,735.75/x
  3. Step 3: Cross multiply
    21,049,087.75x = 31,573,632.84 × 5,092,735.75
  4. Step 4: Simplify right side
    21,049,087.75x = 160,796,168,721,642.03
  5. Step 5: Solve for x
    x = 160,796,168,721,642.03/21,049,087.75
  6. Step 6: Final answer
    x = 7,639,103.92

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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.