Home / 8,818,561.43-13,222,693.73-3,420,904.59

Finding the Fourth Proportional to 8,818,561.43, 13,222,693.73 and 3,420,904.59

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Solution

The fourth proportional to 8,818,561.43, 13,222,693.73 and 3,420,904.59 is: 5,129,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,561.43 : 13,222,693.73 = 3,420,904.59 : x
  2. Step 2: Convert to fraction form
    8,818,561.43/13,222,693.73 = 3,420,904.59/x
  3. Step 3: Cross multiply
    8,818,561.43x = 13,222,693.73 × 3,420,904.59
  4. Step 4: Simplify right side
    8,818,561.43x = 45,233,573,681,673.48
  5. Step 5: Solve for x
    x = 45,233,573,681,673.48/8,818,561.43
  6. Step 6: Final answer
    x = 5,129,359.71

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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.