Home / 8,455,540.40-12,673,979.40-4,671,738.80

Finding the Fourth Proportional to 8,455,540.40, 12,673,979.40 and 4,671,738.80

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Solution

The fourth proportional to 8,455,540.40, 12,673,979.40 and 4,671,738.80 is: 7,002,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,540.40 : 12,673,979.40 = 4,671,738.80 : x
  2. Step 2: Convert to fraction form
    8,455,540.40/12,673,979.40 = 4,671,738.80/x
  3. Step 3: Cross multiply
    8,455,540.40x = 12,673,979.40 × 4,671,738.80
  4. Step 4: Simplify right side
    8,455,540.40x = 59,209,521,313,380.72
  5. Step 5: Solve for x
    x = 59,209,521,313,380.72/8,455,540.40
  6. Step 6: Final answer
    x = 7,002,452.65

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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.