Home / 12,106,495.52-16,706,126.60-6,808,983.68

Finding the Fourth Proportional to 12,106,495.52, 16,706,126.60 and 6,808,983.68

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Solution

The fourth proportional to 12,106,495.52, 16,706,126.60 and 6,808,983.68 is: 9,395,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,495.52 : 16,706,126.60 = 6,808,983.68 : x
  2. Step 2: Convert to fraction form
    12,106,495.52/16,706,126.60 = 6,808,983.68/x
  3. Step 3: Cross multiply
    12,106,495.52x = 16,706,126.60 × 6,808,983.68
  4. Step 4: Simplify right side
    12,106,495.52x = 113,751,743,375,413.88
  5. Step 5: Solve for x
    x = 113,751,743,375,413.88/12,106,495.52
  6. Step 6: Final answer
    x = 9,395,926.61

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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.