Home / 12,793,629.80-19,193,766.30-3,818,182.76

Finding the Fourth Proportional to 12,793,629.80, 19,193,766.30 and 3,818,182.76

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Solution

The fourth proportional to 12,793,629.80, 19,193,766.30 and 3,818,182.76 is: 5,728,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,629.80 : 19,193,766.30 = 3,818,182.76 : x
  2. Step 2: Convert to fraction form
    12,793,629.80/19,193,766.30 = 3,818,182.76/x
  3. Step 3: Cross multiply
    12,793,629.80x = 19,193,766.30 × 3,818,182.76
  4. Step 4: Simplify right side
    12,793,629.80x = 73,285,307,586,128.98
  5. Step 5: Solve for x
    x = 73,285,307,586,128.98/12,793,629.80
  6. Step 6: Final answer
    x = 5,728,265.45

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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.