Home / 8,818,562.43-13,222,695.23-3,420,905.59

Finding the Fourth Proportional to 8,818,562.43, 13,222,695.23 and 3,420,905.59

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Solution

The fourth proportional to 8,818,562.43, 13,222,695.23 and 3,420,905.59 is: 5,129,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,562.43 : 13,222,695.23 = 3,420,905.59 : x
  2. Step 2: Convert to fraction form
    8,818,562.43/13,222,695.23 = 3,420,905.59/x
  3. Step 3: Cross multiply
    8,818,562.43x = 13,222,695.23 × 3,420,905.59
  4. Step 4: Simplify right side
    8,818,562.43x = 45,233,592,027,173.34
  5. Step 5: Solve for x
    x = 45,233,592,027,173.34/8,818,562.43
  6. Step 6: Final answer
    x = 5,129,361.21

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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.