Home / 12,162,018.54-16,801,815.48-7,985,611.95

Finding the Fourth Proportional to 12,162,018.54, 16,801,815.48 and 7,985,611.95

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Solution

The fourth proportional to 12,162,018.54, 16,801,815.48 and 7,985,611.95 is: 11,032,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,018.54 : 16,801,815.48 = 7,985,611.95 : x
  2. Step 2: Convert to fraction form
    12,162,018.54/16,801,815.48 = 7,985,611.95/x
  3. Step 3: Cross multiply
    12,162,018.54x = 16,801,815.48 × 7,985,611.95
  4. Step 4: Simplify right side
    12,162,018.54x = 134,172,778,385,830.14
  5. Step 5: Solve for x
    x = 134,172,778,385,830.14/12,162,018.54
  6. Step 6: Final answer
    x = 11,032,114.27

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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.