Home / 7,625,942.92-11,438,904.72-1,946,167.36

Finding the Fourth Proportional to 7,625,942.92, 11,438,904.72 and 1,946,167.36

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Solution

The fourth proportional to 7,625,942.92, 11,438,904.72 and 1,946,167.36 is: 2,919,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625,942.92 : 11,438,904.72 = 1,946,167.36 : x
  2. Step 2: Convert to fraction form
    7,625,942.92/11,438,904.72 = 1,946,167.36/x
  3. Step 3: Cross multiply
    7,625,942.92x = 11,438,904.72 × 1,946,167.36
  4. Step 4: Simplify right side
    7,625,942.92x = 22,262,023,000,213.94
  5. Step 5: Solve for x
    x = 22,262,023,000,213.94/7,625,942.92
  6. Step 6: Final answer
    x = 2,919,248.57

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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.