Home / 8,521,188.20-12,789,039.90-3,476,119.40

Finding the Fourth Proportional to 8,521,188.20, 12,789,039.90 and 3,476,119.40

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Solution

The fourth proportional to 8,521,188.20, 12,789,039.90 and 3,476,119.40 is: 5,217,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,188.20 : 12,789,039.90 = 3,476,119.40 : x
  2. Step 2: Convert to fraction form
    8,521,188.20/12,789,039.90 = 3,476,119.40/x
  3. Step 3: Cross multiply
    8,521,188.20x = 12,789,039.90 × 3,476,119.40
  4. Step 4: Simplify right side
    8,521,188.20x = 44,456,229,703,764.06
  5. Step 5: Solve for x
    x = 44,456,229,703,764.06/8,521,188.20
  6. Step 6: Final answer
    x = 5,217,139.75

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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.