Home / 26,889,842.82-37,111,120.29-15,289,144.50

Finding the Fourth Proportional to 26,889,842.82, 37,111,120.29 and 15,289,144.50

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Solution

The fourth proportional to 26,889,842.82, 37,111,120.29 and 15,289,144.50 is: 21,100,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889,842.82 : 37,111,120.29 = 15,289,144.50 : x
  2. Step 2: Convert to fraction form
    26,889,842.82/37,111,120.29 = 15,289,144.50/x
  3. Step 3: Cross multiply
    26,889,842.82x = 37,111,120.29 × 15,289,144.50
  4. Step 4: Simplify right side
    26,889,842.82x = 567,397,280,670,691.88
  5. Step 5: Solve for x
    x = 567,397,280,670,691.88/26,889,842.82
  6. Step 6: Final answer
    x = 21,100,803.17

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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.