Home / 12,912,086.60-19,368,129.90-6,193,622.60

Finding the Fourth Proportional to 12,912,086.60, 19,368,129.90 and 6,193,622.60

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Solution

The fourth proportional to 12,912,086.60, 19,368,129.90 and 6,193,622.60 is: 9,290,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,086.60 : 19,368,129.90 = 6,193,622.60 : x
  2. Step 2: Convert to fraction form
    12,912,086.60/19,368,129.90 = 6,193,622.60/x
  3. Step 3: Cross multiply
    12,912,086.60x = 19,368,129.90 × 6,193,622.60
  4. Step 4: Simplify right side
    12,912,086.60x = 119,958,887,068,375.72
  5. Step 5: Solve for x
    x = 119,958,887,068,375.72/12,912,086.60
  6. Step 6: Final answer
    x = 9,290,433.90

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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.