Home / 12,662,039.62-17,473,630.11-6,860,816.78

Finding the Fourth Proportional to 12,662,039.62, 17,473,630.11 and 6,860,816.78

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Solution

The fourth proportional to 12,662,039.62, 17,473,630.11 and 6,860,816.78 is: 9,467,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,039.62 : 17,473,630.11 = 6,860,816.78 : x
  2. Step 2: Convert to fraction form
    12,662,039.62/17,473,630.11 = 6,860,816.78/x
  3. Step 3: Cross multiply
    12,662,039.62x = 17,473,630.11 × 6,860,816.78
  4. Step 4: Simplify right side
    12,662,039.62x = 119,883,374,666,201.25
  5. Step 5: Solve for x
    x = 119,883,374,666,201.25/12,662,039.62
  6. Step 6: Final answer
    x = 9,467,935.52

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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.