Home / 12,826,168.53-17,700,399.09-7,319,433.75

Finding the Fourth Proportional to 12,826,168.53, 17,700,399.09 and 7,319,433.75

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Solution

The fourth proportional to 12,826,168.53, 17,700,399.09 and 7,319,433.75 is: 10,100,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,168.53 : 17,700,399.09 = 7,319,433.75 : x
  2. Step 2: Convert to fraction form
    12,826,168.53/17,700,399.09 = 7,319,433.75/x
  3. Step 3: Cross multiply
    12,826,168.53x = 17,700,399.09 × 7,319,433.75
  4. Step 4: Simplify right side
    12,826,168.53x = 129,556,898,487,815.28
  5. Step 5: Solve for x
    x = 129,556,898,487,815.28/12,826,168.53
  6. Step 6: Final answer
    x = 10,100,982.08

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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.