Home / 8,412,086.35-12,620,388.93-2,655,042.58

Finding the Fourth Proportional to 8,412,086.35, 12,620,388.93 and 2,655,042.58

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Solution

The fourth proportional to 8,412,086.35, 12,620,388.93 and 2,655,042.58 is: 3,983,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,086.35 : 12,620,388.93 = 2,655,042.58 : x
  2. Step 2: Convert to fraction form
    8,412,086.35/12,620,388.93 = 2,655,042.58/x
  3. Step 3: Cross multiply
    8,412,086.35x = 12,620,388.93 × 2,655,042.58
  4. Step 4: Simplify right side
    8,412,086.35x = 33,507,669,985,310.64
  5. Step 5: Solve for x
    x = 33,507,669,985,310.64/8,412,086.35
  6. Step 6: Final answer
    x = 3,983,276.99

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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.