Home / 12,169,680.60-16,793,493.30-6,661,990.20

Finding the Fourth Proportional to 12,169,680.60, 16,793,493.30 and 6,661,990.20

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Solution

The fourth proportional to 12,169,680.60, 16,793,493.30 and 6,661,990.20 is: 9,193,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169,680.60 : 16,793,493.30 = 6,661,990.20 : x
  2. Step 2: Convert to fraction form
    12,169,680.60/16,793,493.30 = 6,661,990.20/x
  3. Step 3: Cross multiply
    12,169,680.60x = 16,793,493.30 × 6,661,990.20
  4. Step 4: Simplify right side
    12,169,680.60x = 111,878,087,788,365.67
  5. Step 5: Solve for x
    x = 111,878,087,788,365.67/12,169,680.60
  6. Step 6: Final answer
    x = 9,193,181.93

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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.