Home / 16,917,122.30-23,345,003.64-9,181,998.55

Finding the Fourth Proportional to 16,917,122.30, 23,345,003.64 and 9,181,998.55

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Solution

The fourth proportional to 16,917,122.30, 23,345,003.64 and 9,181,998.55 is: 12,670,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917,122.30 : 23,345,003.64 = 9,181,998.55 : x
  2. Step 2: Convert to fraction form
    16,917,122.30/23,345,003.64 = 9,181,998.55/x
  3. Step 3: Cross multiply
    16,917,122.30x = 23,345,003.64 × 9,181,998.55
  4. Step 4: Simplify right side
    16,917,122.30x = 214,353,789,409,589.72
  5. Step 5: Solve for x
    x = 214,353,789,409,589.72/16,917,122.30
  6. Step 6: Final answer
    x = 12,670,818.69

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1.5x scale

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.