Home / 13,979,910.24-19,287,009.84-8,176,836.96

Finding the Fourth Proportional to 13,979,910.24, 19,287,009.84 and 8,176,836.96

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Solution

The fourth proportional to 13,979,910.24, 19,287,009.84 and 8,176,836.96 is: 11,280,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,910.24 : 19,287,009.84 = 8,176,836.96 : x
  2. Step 2: Convert to fraction form
    13,979,910.24/19,287,009.84 = 8,176,836.96/x
  3. Step 3: Cross multiply
    13,979,910.24x = 19,287,009.84 × 8,176,836.96
  4. Step 4: Simplify right side
    13,979,910.24x = 157,706,734,907,595.69
  5. Step 5: Solve for x
    x = 157,706,734,907,595.69/13,979,910.24
  6. Step 6: Final answer
    x = 11,280,954.76

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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.