Home / 17,997,086.40-26,997,997.60-6,645,508.80

Finding the Fourth Proportional to 17,997,086.40, 26,997,997.60 and 6,645,508.80

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Solution

The fourth proportional to 17,997,086.40, 26,997,997.60 and 6,645,508.80 is: 9,969,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997,086.40 : 26,997,997.60 = 6,645,508.80 : x
  2. Step 2: Convert to fraction form
    17,997,086.40/26,997,997.60 = 6,645,508.80/x
  3. Step 3: Cross multiply
    17,997,086.40x = 26,997,997.60 × 6,645,508.80
  4. Step 4: Simplify right side
    17,997,086.40x = 179,415,430,633,178.88
  5. Step 5: Solve for x
    x = 179,415,430,633,178.88/17,997,086.40
  6. Step 6: Final answer
    x = 9,969,137.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.