Home / 12,919,911.96-17,829,882.26-7,414,293.92

Finding the Fourth Proportional to 12,919,911.96, 17,829,882.26 and 7,414,293.92

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Solution

The fourth proportional to 12,919,911.96, 17,829,882.26 and 7,414,293.92 is: 10,231,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,911.96 : 17,829,882.26 = 7,414,293.92 : x
  2. Step 2: Convert to fraction form
    12,919,911.96/17,829,882.26 = 7,414,293.92/x
  3. Step 3: Cross multiply
    12,919,911.96x = 17,829,882.26 × 7,414,293.92
  4. Step 4: Simplify right side
    12,919,911.96x = 132,195,987,634,633.88
  5. Step 5: Solve for x
    x = 132,195,987,634,633.88/12,919,911.96
  6. Step 6: Final answer
    x = 10,231,957.31

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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.