Home / 11,156,145.63-16,659,092.80-9,110,863.58

Finding the Fourth Proportional to 11,156,145.63, 16,659,092.80 and 9,110,863.58

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Solution

The fourth proportional to 11,156,145.63, 16,659,092.80 and 9,110,863.58 is: 13,604,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156,145.63 : 16,659,092.80 = 9,110,863.58 : x
  2. Step 2: Convert to fraction form
    11,156,145.63/16,659,092.80 = 9,110,863.58/x
  3. Step 3: Cross multiply
    11,156,145.63x = 16,659,092.80 × 9,110,863.58
  4. Step 4: Simplify right side
    11,156,145.63x = 151,778,721,890,137.38
  5. Step 5: Solve for x
    x = 151,778,721,890,137.38/11,156,145.63
  6. Step 6: Final answer
    x = 13,604,942.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.