Home / 16,782,029.16-25,142,561.82-7,691,690.76

Finding the Fourth Proportional to 16,782,029.16, 25,142,561.82 and 7,691,690.76

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Solution

The fourth proportional to 16,782,029.16, 25,142,561.82 and 7,691,690.76 is: 11,523,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782,029.16 : 25,142,561.82 = 7,691,690.76 : x
  2. Step 2: Convert to fraction form
    16,782,029.16/25,142,561.82 = 7,691,690.76/x
  3. Step 3: Cross multiply
    16,782,029.16x = 25,142,561.82 × 7,691,690.76
  4. Step 4: Simplify right side
    16,782,029.16x = 193,388,810,433,622.78
  5. Step 5: Solve for x
    x = 193,388,810,433,622.78/16,782,029.16
  6. Step 6: Final answer
    x = 11,523,565.39

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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.