Home / 16,231,914.69-22,400,042.19-8,889,765.20

Finding the Fourth Proportional to 16,231,914.69, 22,400,042.19 and 8,889,765.20

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Solution

The fourth proportional to 16,231,914.69, 22,400,042.19 and 8,889,765.20 is: 12,267,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231,914.69 : 22,400,042.19 = 8,889,765.20 : x
  2. Step 2: Convert to fraction form
    16,231,914.69/22,400,042.19 = 8,889,765.20/x
  3. Step 3: Cross multiply
    16,231,914.69x = 22,400,042.19 × 8,889,765.20
  4. Step 4: Simplify right side
    16,231,914.69x = 199,131,115,539,193.78
  5. Step 5: Solve for x
    x = 199,131,115,539,193.78/16,231,914.69
  6. Step 6: Final answer
    x = 12,267,875.93

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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.