Home / 13,385,621.25-18,473,731.97-7,953,113.25

Finding the Fourth Proportional to 13,385,621.25, 18,473,731.97 and 7,953,113.25

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Solution

The fourth proportional to 13,385,621.25, 18,473,731.97 and 7,953,113.25 is: 10,976,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,621.25 : 18,473,731.97 = 7,953,113.25 : x
  2. Step 2: Convert to fraction form
    13,385,621.25/18,473,731.97 = 7,953,113.25/x
  3. Step 3: Cross multiply
    13,385,621.25x = 18,473,731.97 × 7,953,113.25
  4. Step 4: Simplify right side
    13,385,621.25x = 146,923,682,467,790.03
  5. Step 5: Solve for x
    x = 146,923,682,467,790.03/13,385,621.25
  6. Step 6: Final answer
    x = 10,976,231.86

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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.