Home / 8,422,218.42-12,635,565.75-2,665,054.32

Finding the Fourth Proportional to 8,422,218.42, 12,635,565.75 and 2,665,054.32

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Solution

The fourth proportional to 8,422,218.42, 12,635,565.75 and 2,665,054.32 is: 3,998,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,218.42 : 12,635,565.75 = 2,665,054.32 : x
  2. Step 2: Convert to fraction form
    8,422,218.42/12,635,565.75 = 2,665,054.32/x
  3. Step 3: Cross multiply
    8,422,218.42x = 12,635,565.75 × 2,665,054.32
  4. Step 4: Simplify right side
    8,422,218.42x = 33,674,469,024,503.71
  5. Step 5: Solve for x
    x = 33,674,469,024,503.71/8,422,218.42
  6. Step 6: Final answer
    x = 3,998,289.69

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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.