Home / 8,478,722.45-12,718,160.56-2,413,451.79

Finding the Fourth Proportional to 8,478,722.45, 12,718,160.56 and 2,413,451.79

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Solution

The fourth proportional to 8,478,722.45, 12,718,160.56 and 2,413,451.79 is: 3,620,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,722.45 : 12,718,160.56 = 2,413,451.79 : x
  2. Step 2: Convert to fraction form
    8,478,722.45/12,718,160.56 = 2,413,451.79/x
  3. Step 3: Cross multiply
    8,478,722.45x = 12,718,160.56 × 2,413,451.79
  4. Step 4: Simplify right side
    8,478,722.45x = 30,694,667,369,039.40
  5. Step 5: Solve for x
    x = 30,694,667,369,039.40/8,478,722.45
  6. Step 6: Final answer
    x = 3,620,199.57

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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.