Home / 12,619,697.90-17,414,770.43-7,975,975.19

Finding the Fourth Proportional to 12,619,697.90, 17,414,770.43 and 7,975,975.19

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Solution

The fourth proportional to 12,619,697.90, 17,414,770.43 and 7,975,975.19 is: 11,006,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,697.90 : 17,414,770.43 = 7,975,975.19 : x
  2. Step 2: Convert to fraction form
    12,619,697.90/17,414,770.43 = 7,975,975.19/x
  3. Step 3: Cross multiply
    12,619,697.90x = 17,414,770.43 × 7,975,975.19
  4. Step 4: Simplify right side
    12,619,697.90x = 138,899,776,822,091.72
  5. Step 5: Solve for x
    x = 138,899,776,822,091.72/12,619,697.90
  6. Step 6: Final answer
    x = 11,006,584.94

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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.