Home / 13,103,617.91-18,082,198.35-7,222,994.91

Finding the Fourth Proportional to 13,103,617.91, 18,082,198.35 and 7,222,994.91

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Solution

The fourth proportional to 13,103,617.91, 18,082,198.35 and 7,222,994.91 is: 9,967,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,617.91 : 18,082,198.35 = 7,222,994.91 : x
  2. Step 2: Convert to fraction form
    13,103,617.91/18,082,198.35 = 7,222,994.91/x
  3. Step 3: Cross multiply
    13,103,617.91x = 18,082,198.35 × 7,222,994.91
  4. Step 4: Simplify right side
    13,103,617.91x = 130,607,626,643,660.41
  5. Step 5: Solve for x
    x = 130,607,626,643,660.41/13,103,617.91
  6. Step 6: Final answer
    x = 9,967,295.11

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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.