Home / 8,675,229.78-11,972,508.21-4,808,121.30

Finding the Fourth Proportional to 8,675,229.78, 11,972,508.21 and 4,808,121.30

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Solution

The fourth proportional to 8,675,229.78, 11,972,508.21 and 4,808,121.30 is: 6,635,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,229.78 : 11,972,508.21 = 4,808,121.30 : x
  2. Step 2: Convert to fraction form
    8,675,229.78/11,972,508.21 = 4,808,121.30/x
  3. Step 3: Cross multiply
    8,675,229.78x = 11,972,508.21 × 4,808,121.30
  4. Step 4: Simplify right side
    8,675,229.78x = 57,565,271,738,925.88
  5. Step 5: Solve for x
    x = 57,565,271,738,925.88/8,675,229.78
  6. Step 6: Final answer
    x = 6,635,590.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.