Home / 13,270,832.69-18,310,048.29-8,559,234.54

Finding the Fourth Proportional to 13,270,832.69, 18,310,048.29 and 8,559,234.54

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Solution

The fourth proportional to 13,270,832.69, 18,310,048.29 and 8,559,234.54 is: 11,809,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,832.69 : 18,310,048.29 = 8,559,234.54 : x
  2. Step 2: Convert to fraction form
    13,270,832.69/18,310,048.29 = 8,559,234.54/x
  3. Step 3: Cross multiply
    13,270,832.69x = 18,310,048.29 × 8,559,234.54
  4. Step 4: Simplify right side
    13,270,832.69x = 156,719,997,752,835.91
  5. Step 5: Solve for x
    x = 156,719,997,752,835.91/13,270,832.69
  6. Step 6: Final answer
    x = 11,809,356.77

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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.