Home / 12,685,097.16-17,505,445.32-6,883,878.96

Finding the Fourth Proportional to 12,685,097.16, 17,505,445.32 and 6,883,878.96

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Solution

The fourth proportional to 12,685,097.16, 17,505,445.32 and 6,883,878.96 is: 9,499,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,097.16 : 17,505,445.32 = 6,883,878.96 : x
  2. Step 2: Convert to fraction form
    12,685,097.16/17,505,445.32 = 6,883,878.96/x
  3. Step 3: Cross multiply
    12,685,097.16x = 17,505,445.32 × 6,883,878.96
  4. Step 4: Simplify right side
    12,685,097.16x = 120,505,366,723,778.47
  5. Step 5: Solve for x
    x = 120,505,366,723,778.47/12,685,097.16
  6. Step 6: Final answer
    x = 9,499,759.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.