Home / 9,270,509.85-12,792,679.97-5,140,388.09

Finding the Fourth Proportional to 9,270,509.85, 12,792,679.97 and 5,140,388.09

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Solution

The fourth proportional to 9,270,509.85, 12,792,679.97 and 5,140,388.09 is: 7,093,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270,509.85 : 12,792,679.97 = 5,140,388.09 : x
  2. Step 2: Convert to fraction form
    9,270,509.85/12,792,679.97 = 5,140,388.09/x
  3. Step 3: Cross multiply
    9,270,509.85x = 12,792,679.97 × 5,140,388.09
  4. Step 4: Simplify right side
    9,270,509.85x = 65,759,339,763,249.32
  5. Step 5: Solve for x
    x = 65,759,339,763,249.32/9,270,509.85
  6. Step 6: Final answer
    x = 7,093,389.77

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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.