Home / 12,977,215.84-17,902,605.36-8,395,014.88

Finding the Fourth Proportional to 12,977,215.84, 17,902,605.36 and 8,395,014.88

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Solution

The fourth proportional to 12,977,215.84, 17,902,605.36 and 8,395,014.88 is: 11,581,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,215.84 : 17,902,605.36 = 8,395,014.88 : x
  2. Step 2: Convert to fraction form
    12,977,215.84/17,902,605.36 = 8,395,014.88/x
  3. Step 3: Cross multiply
    12,977,215.84x = 17,902,605.36 × 8,395,014.88
  4. Step 4: Simplify right side
    12,977,215.84x = 150,292,638,387,967.78
  5. Step 5: Solve for x
    x = 150,292,638,387,967.78/12,977,215.84
  6. Step 6: Final answer
    x = 11,581,269.84

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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.