Home / 8,420,640.41-12,632,518.85-2,664,822.74

Finding the Fourth Proportional to 8,420,640.41, 12,632,518.85 and 2,664,822.74

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Solution

The fourth proportional to 8,420,640.41, 12,632,518.85 and 2,664,822.74 is: 3,997,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,640.41 : 12,632,518.85 = 2,664,822.74 : x
  2. Step 2: Convert to fraction form
    8,420,640.41/12,632,518.85 = 2,664,822.74/x
  3. Step 3: Cross multiply
    8,420,640.41x = 12,632,518.85 × 2,664,822.74
  4. Step 4: Simplify right side
    8,420,640.41x = 33,663,423,418,471.94
  5. Step 5: Solve for x
    x = 33,663,423,418,471.94/8,420,640.41
  6. Step 6: Final answer
    x = 3,997,727.23

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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.