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Finding the Fourth Proportional to 6,603,188.20, 9,904,782.30 and 6,603,188.20

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Solution

The fourth proportional to 6,603,188.20, 9,904,782.30 and 6,603,188.20 is: 9,904,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,188.20 : 9,904,782.30 = 6,603,188.20 : x
  2. Step 2: Convert to fraction form
    6,603,188.20/9,904,782.30 = 6,603,188.20/x
  3. Step 3: Cross multiply
    6,603,188.20x = 9,904,782.30 × 6,603,188.20
  4. Step 4: Simplify right side
    6,603,188.20x = 65,403,141,606,928.87
  5. Step 5: Solve for x
    x = 65,403,141,606,928.87/6,603,188.20
  6. Step 6: Final answer
    x = 9,904,782.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.