Home / 13,282,242.10-18,329,596.41-7,480,481.02

Finding the Fourth Proportional to 13,282,242.10, 18,329,596.41 and 7,480,481.02

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Solution

The fourth proportional to 13,282,242.10, 18,329,596.41 and 7,480,481.02 is: 10,323,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,242.10 : 18,329,596.41 = 7,480,481.02 : x
  2. Step 2: Convert to fraction form
    13,282,242.10/18,329,596.41 = 7,480,481.02/x
  3. Step 3: Cross multiply
    13,282,242.10x = 18,329,596.41 × 7,480,481.02
  4. Step 4: Simplify right side
    13,282,242.10x = 137,114,198,049,265.12
  5. Step 5: Solve for x
    x = 137,114,198,049,265.12/13,282,242.10
  6. Step 6: Final answer
    x = 10,323,121.43

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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.