Home / 12,170,071.80-16,794,701.16-6,663,787.86

Finding the Fourth Proportional to 12,170,071.80, 16,794,701.16 and 6,663,787.86

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Solution

The fourth proportional to 12,170,071.80, 16,794,701.16 and 6,663,787.86 is: 9,196,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,071.80 : 16,794,701.16 = 6,663,787.86 : x
  2. Step 2: Convert to fraction form
    12,170,071.80/16,794,701.16 = 6,663,787.86/x
  3. Step 3: Cross multiply
    12,170,071.80x = 16,794,701.16 × 6,663,787.86
  4. Step 4: Simplify right side
    12,170,071.80x = 111,916,325,702,335.92
  5. Step 5: Solve for x
    x = 111,916,325,702,335.92/12,170,071.80
  6. Step 6: Final answer
    x = 9,196,028.38

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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.