Home / 8,122,565.20-12,183,847.80-6,315,665.80

Finding the Fourth Proportional to 8,122,565.20, 12,183,847.80 and 6,315,665.80

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Solution

The fourth proportional to 8,122,565.20, 12,183,847.80 and 6,315,665.80 is: 9,473,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,565.20 : 12,183,847.80 = 6,315,665.80 : x
  2. Step 2: Convert to fraction form
    8,122,565.20/12,183,847.80 = 6,315,665.80/x
  3. Step 3: Cross multiply
    8,122,565.20x = 12,183,847.80 × 6,315,665.80
  4. Step 4: Simplify right side
    8,122,565.20x = 76,949,110,862,865.25
  5. Step 5: Solve for x
    x = 76,949,110,862,865.25/8,122,565.20
  6. Step 6: Final answer
    x = 9,473,498.70

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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.