Home / 8,579,022.48-12,868,525.44-2,189,274.84

Finding the Fourth Proportional to 8,579,022.48, 12,868,525.44 and 2,189,274.84

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Solution

The fourth proportional to 8,579,022.48, 12,868,525.44 and 2,189,274.84 is: 3,283,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,022.48 : 12,868,525.44 = 2,189,274.84 : x
  2. Step 2: Convert to fraction form
    8,579,022.48/12,868,525.44 = 2,189,274.84/x
  3. Step 3: Cross multiply
    8,579,022.48x = 12,868,525.44 × 2,189,274.84
  4. Step 4: Simplify right side
    8,579,022.48x = 28,172,738,973,691.93
  5. Step 5: Solve for x
    x = 28,172,738,973,691.93/8,579,022.48
  6. Step 6: Final answer
    x = 3,283,910.15

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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.