Home / 12,376,137.96-17,078,804.64-6,869,190.96

Finding the Fourth Proportional to 12,376,137.96, 17,078,804.64 and 6,869,190.96

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Solution

The fourth proportional to 12,376,137.96, 17,078,804.64 and 6,869,190.96 is: 9,479,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,137.96 : 17,078,804.64 = 6,869,190.96 : x
  2. Step 2: Convert to fraction form
    12,376,137.96/17,078,804.64 = 6,869,190.96/x
  3. Step 3: Cross multiply
    12,376,137.96x = 17,078,804.64 × 6,869,190.96
  4. Step 4: Simplify right side
    12,376,137.96x = 117,317,570,440,694.06
  5. Step 5: Solve for x
    x = 117,317,570,440,694.06/12,376,137.96
  6. Step 6: Final answer
    x = 9,479,336.03

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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.