Home / 31,102,164.92-46,647,930.18-8,377,747.76

Finding the Fourth Proportional to 31,102,164.92, 46,647,930.18 and 8,377,747.76

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Solution

The fourth proportional to 31,102,164.92, 46,647,930.18 and 8,377,747.76 is: 12,565,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,164.92 : 46,647,930.18 = 8,377,747.76 : x
  2. Step 2: Convert to fraction form
    31,102,164.92/46,647,930.18 = 8,377,747.76/x
  3. Step 3: Cross multiply
    31,102,164.92x = 46,647,930.18 × 8,377,747.76
  4. Step 4: Simplify right side
    31,102,164.92x = 390,804,592,574,131.38
  5. Step 5: Solve for x
    x = 390,804,592,574,131.38/31,102,164.92
  6. Step 6: Final answer
    x = 12,565,189.39

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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.