Home / 16,751,481.40-25,127,222.10-7,167,828.70

Finding the Fourth Proportional to 16,751,481.40, 25,127,222.10 and 7,167,828.70

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Solution

The fourth proportional to 16,751,481.40, 25,127,222.10 and 7,167,828.70 is: 10,751,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751,481.40 : 25,127,222.10 = 7,167,828.70 : x
  2. Step 2: Convert to fraction form
    16,751,481.40/25,127,222.10 = 7,167,828.70/x
  3. Step 3: Cross multiply
    16,751,481.40x = 25,127,222.10 × 7,167,828.70
  4. Step 4: Simplify right side
    16,751,481.40x = 180,107,623,719,654.28
  5. Step 5: Solve for x
    x = 180,107,623,719,654.28/16,751,481.40
  6. Step 6: Final answer
    x = 10,751,743.05

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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.