Home / 8,422,215.91-12,635,561.99-2,665,051.81

Finding the Fourth Proportional to 8,422,215.91, 12,635,561.99 and 2,665,051.81

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Solution

The fourth proportional to 8,422,215.91, 12,635,561.99 and 2,665,051.81 is: 3,998,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,215.91 : 12,635,561.99 = 2,665,051.81 : x
  2. Step 2: Convert to fraction form
    8,422,215.91/12,635,561.99 = 2,665,051.81/x
  3. Step 3: Cross multiply
    8,422,215.91x = 12,635,561.99 × 2,665,051.81
  4. Step 4: Simplify right side
    8,422,215.91x = 33,674,427,326,890.43
  5. Step 5: Solve for x
    x = 33,674,427,326,890.43/8,422,215.91
  6. Step 6: Final answer
    x = 3,998,285.93

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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.