Home / 18,372,581.06-27,558,943.67-7,442,977.41

Finding the Fourth Proportional to 18,372,581.06, 27,558,943.67 and 7,442,977.41

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Solution

The fourth proportional to 18,372,581.06, 27,558,943.67 and 7,442,977.41 is: 11,164,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,581.06 : 27,558,943.67 = 7,442,977.41 : x
  2. Step 2: Convert to fraction form
    18,372,581.06/27,558,943.67 = 7,442,977.41/x
  3. Step 3: Cross multiply
    18,372,581.06x = 27,558,943.67 × 7,442,977.41
  4. Step 4: Simplify right side
    18,372,581.06x = 205,120,595,197,879.94
  5. Step 5: Solve for x
    x = 205,120,595,197,879.94/18,372,581.06
  6. Step 6: Final answer
    x = 11,164,495.32

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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.