Home / 12,181,892.85-18,273,966.80-3,984,581.61

Finding the Fourth Proportional to 12,181,892.85, 18,273,966.80 and 3,984,581.61

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Solution

The fourth proportional to 12,181,892.85, 18,273,966.80 and 3,984,581.61 is: 5,977,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,892.85 : 18,273,966.80 = 3,984,581.61 : x
  2. Step 2: Convert to fraction form
    12,181,892.85/18,273,966.80 = 3,984,581.61/x
  3. Step 3: Cross multiply
    12,181,892.85x = 18,273,966.80 × 3,984,581.61
  4. Step 4: Simplify right side
    12,181,892.85x = 72,814,112,033,107.64
  5. Step 5: Solve for x
    x = 72,814,112,033,107.64/12,181,892.85
  6. Step 6: Final answer
    x = 5,977,241.22

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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.