Home / 13,002,477.20-17,941,878.44-7,497,661.54

Finding the Fourth Proportional to 13,002,477.20, 17,941,878.44 and 7,497,661.54

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Solution

The fourth proportional to 13,002,477.20, 17,941,878.44 and 7,497,661.54 is: 10,345,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,477.20 : 17,941,878.44 = 7,497,661.54 : x
  2. Step 2: Convert to fraction form
    13,002,477.20/17,941,878.44 = 7,497,661.54/x
  3. Step 3: Cross multiply
    13,002,477.20x = 17,941,878.44 × 7,497,661.54
  4. Step 4: Simplify right side
    13,002,477.20x = 134,522,131,934,943.20
  5. Step 5: Solve for x
    x = 134,522,131,934,943.20/13,002,477.20
  6. Step 6: Final answer
    x = 10,345,884.85

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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.