Home / 13,763,922.32-18,988,757.16-7,961,626.64

Finding the Fourth Proportional to 13,763,922.32, 18,988,757.16 and 7,961,626.64

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Solution

The fourth proportional to 13,763,922.32, 18,988,757.16 and 7,961,626.64 is: 10,983,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,922.32 : 18,988,757.16 = 7,961,626.64 : x
  2. Step 2: Convert to fraction form
    13,763,922.32/18,988,757.16 = 7,961,626.64/x
  3. Step 3: Cross multiply
    13,763,922.32x = 18,988,757.16 × 7,961,626.64
  4. Step 4: Simplify right side
    13,763,922.32x = 151,181,394,865,546.75
  5. Step 5: Solve for x
    x = 151,181,394,865,546.75/13,763,922.32
  6. Step 6: Final answer
    x = 10,983,888.99

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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.