Home / 11,538,311.90-15,923,351.99-6,643,412.24

Finding the Fourth Proportional to 11,538,311.90, 15,923,351.99 and 6,643,412.24

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Solution

The fourth proportional to 11,538,311.90, 15,923,351.99 and 6,643,412.24 is: 9,168,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538,311.90 : 15,923,351.99 = 6,643,412.24 : x
  2. Step 2: Convert to fraction form
    11,538,311.90/15,923,351.99 = 6,643,412.24/x
  3. Step 3: Cross multiply
    11,538,311.90x = 15,923,351.99 × 6,643,412.24
  4. Step 4: Simplify right side
    11,538,311.90x = 105,785,391,449,186.12
  5. Step 5: Solve for x
    x = 105,785,391,449,186.12/11,538,311.90
  6. Step 6: Final answer
    x = 9,168,186.16

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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.