Home / 8,731,168.44-11,961,755.20-8,403,901.72

Finding the Fourth Proportional to 8,731,168.44, 11,961,755.20 and 8,403,901.72

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Solution

The fourth proportional to 8,731,168.44, 11,961,755.20 and 8,403,901.72 is: 11,513,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,168.44 : 11,961,755.20 = 8,403,901.72 : x
  2. Step 2: Convert to fraction form
    8,731,168.44/11,961,755.20 = 8,403,901.72/x
  3. Step 3: Cross multiply
    8,731,168.44x = 11,961,755.20 × 8,403,901.72
  4. Step 4: Simplify right side
    8,731,168.44x = 100,525,415,099,498.95
  5. Step 5: Solve for x
    x = 100,525,415,099,498.95/8,731,168.44
  6. Step 6: Final answer
    x = 11,513,397.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.