Home / 8,119,908.69-12,182,582.00-2,655,255.43

Finding the Fourth Proportional to 8,119,908.69, 12,182,582.00 and 2,655,255.43

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Solution

The fourth proportional to 8,119,908.69, 12,182,582.00 and 2,655,255.43 is: 3,983,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,908.69 : 12,182,582.00 = 2,655,255.43 : x
  2. Step 2: Convert to fraction form
    8,119,908.69/12,182,582.00 = 2,655,255.43/x
  3. Step 3: Cross multiply
    8,119,908.69x = 12,182,582.00 × 2,655,255.43
  4. Step 4: Simplify right side
    8,119,908.69x = 32,347,867,013,850.81
  5. Step 5: Solve for x
    x = 32,347,867,013,850.81/8,119,908.69
  6. Step 6: Final answer
    x = 3,983,772.26

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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.