Home / 17,891,166.68-26,811,921.40-8,151,978.36

Finding the Fourth Proportional to 17,891,166.68, 26,811,921.40 and 8,151,978.36

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Solution

The fourth proportional to 17,891,166.68, 26,811,921.40 and 8,151,978.36 is: 12,216,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891,166.68 : 26,811,921.40 = 8,151,978.36 : x
  2. Step 2: Convert to fraction form
    17,891,166.68/26,811,921.40 = 8,151,978.36/x
  3. Step 3: Cross multiply
    17,891,166.68x = 26,811,921.40 × 8,151,978.36
  4. Step 4: Simplify right side
    17,891,166.68x = 218,570,203,042,820.91
  5. Step 5: Solve for x
    x = 218,570,203,042,820.91/17,891,166.68
  6. Step 6: Final answer
    x = 12,216,654.56

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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.