Home / 12,977,213.84-17,902,602.60-8,395,012.88

Finding the Fourth Proportional to 12,977,213.84, 17,902,602.60 and 8,395,012.88

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Solution

The fourth proportional to 12,977,213.84, 17,902,602.60 and 8,395,012.88 is: 11,581,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,213.84 : 17,902,602.60 = 8,395,012.88 : x
  2. Step 2: Convert to fraction form
    12,977,213.84/17,902,602.60 = 8,395,012.88/x
  3. Step 3: Cross multiply
    12,977,213.84x = 17,902,602.60 × 8,395,012.88
  4. Step 4: Simplify right side
    12,977,213.84x = 150,292,579,412,521.50
  5. Step 5: Solve for x
    x = 150,292,579,412,521.50/12,977,213.84
  6. Step 6: Final answer
    x = 11,581,267.08

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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.