Home / 18,828,356.07-28,231,560.66-7,300,355.82

Finding the Fourth Proportional to 18,828,356.07, 28,231,560.66 and 7,300,355.82

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Solution

The fourth proportional to 18,828,356.07, 28,231,560.66 and 7,300,355.82 is: 10,946,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,356.07 : 28,231,560.66 = 7,300,355.82 : x
  2. Step 2: Convert to fraction form
    18,828,356.07/28,231,560.66 = 7,300,355.82/x
  3. Step 3: Cross multiply
    18,828,356.07x = 28,231,560.66 × 7,300,355.82
  4. Step 4: Simplify right side
    18,828,356.07x = 206,100,438,171,914.06
  5. Step 5: Solve for x
    x = 206,100,438,171,914.06/18,828,356.07
  6. Step 6: Final answer
    x = 10,946,278.97

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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.