Home / 12,977,192.84-17,902,573.62-8,394,991.88

Finding the Fourth Proportional to 12,977,192.84, 17,902,573.62 and 8,394,991.88

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Solution

The fourth proportional to 12,977,192.84, 17,902,573.62 and 8,394,991.88 is: 11,581,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,192.84 : 17,902,573.62 = 8,394,991.88 : x
  2. Step 2: Convert to fraction form
    12,977,192.84/17,902,573.62 = 8,394,991.88/x
  3. Step 3: Cross multiply
    12,977,192.84x = 17,902,573.62 × 8,394,991.88
  4. Step 4: Simplify right side
    12,977,192.84x = 150,291,960,171,002.22
  5. Step 5: Solve for x
    x = 150,291,960,171,002.22/12,977,192.84
  6. Step 6: Final answer
    x = 11,581,238.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.