Home / 12,622,625.96-18,914,670.65-7,494,958.22

Finding the Fourth Proportional to 12,622,625.96, 18,914,670.65 and 7,494,958.22

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Solution

The fourth proportional to 12,622,625.96, 18,914,670.65 and 7,494,958.22 is: 11,230,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,625.96 : 18,914,670.65 = 7,494,958.22 : x
  2. Step 2: Convert to fraction form
    12,622,625.96/18,914,670.65 = 7,494,958.22/x
  3. Step 3: Cross multiply
    12,622,625.96x = 18,914,670.65 × 7,494,958.22
  4. Step 4: Simplify right side
    12,622,625.96x = 141,764,666,134,762.09
  5. Step 5: Solve for x
    x = 141,764,666,134,762.09/12,622,625.96
  6. Step 6: Final answer
    x = 11,230,996.36

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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.