Home / 12,892,451.70-19,317,682.35-9,491,229.30

Finding the Fourth Proportional to 12,892,451.70, 19,317,682.35 and 9,491,229.30

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Solution

The fourth proportional to 12,892,451.70, 19,317,682.35 and 9,491,229.30 is: 14,221,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,451.70 : 19,317,682.35 = 9,491,229.30 : x
  2. Step 2: Convert to fraction form
    12,892,451.70/19,317,682.35 = 9,491,229.30/x
  3. Step 3: Cross multiply
    12,892,451.70x = 19,317,682.35 × 9,491,229.30
  4. Step 4: Simplify right side
    12,892,451.70x = 183,348,552,728,412.88
  5. Step 5: Solve for x
    x = 183,348,552,728,412.88/12,892,451.70
  6. Step 6: Final answer
    x = 14,221,387.60

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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.