Home / 31,102,162.92-46,647,927.18-8,377,745.76

Finding the Fourth Proportional to 31,102,162.92, 46,647,927.18 and 8,377,745.76

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Solution

The fourth proportional to 31,102,162.92, 46,647,927.18 and 8,377,745.76 is: 12,565,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,162.92 : 46,647,927.18 = 8,377,745.76 : x
  2. Step 2: Convert to fraction form
    31,102,162.92/46,647,927.18 = 8,377,745.76/x
  3. Step 3: Cross multiply
    31,102,162.92x = 46,647,927.18 × 8,377,745.76
  4. Step 4: Simplify right side
    31,102,162.92x = 390,804,474,145,033.75
  5. Step 5: Solve for x
    x = 390,804,474,145,033.75/31,102,162.92
  6. Step 6: Final answer
    x = 12,565,186.39

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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.