Home / 19,265,091.22-28,901,887.32-5,619,305.57

Finding the Fourth Proportional to 19,265,091.22, 28,901,887.32 and 5,619,305.57

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Solution

The fourth proportional to 19,265,091.22, 28,901,887.32 and 5,619,305.57 is: 8,430,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265,091.22 : 28,901,887.32 = 5,619,305.57 : x
  2. Step 2: Convert to fraction form
    19,265,091.22/28,901,887.32 = 5,619,305.57/x
  3. Step 3: Cross multiply
    19,265,091.22x = 28,901,887.32 × 5,619,305.57
  4. Step 4: Simplify right side
    19,265,091.22x = 162,408,536,505,981.47
  5. Step 5: Solve for x
    x = 162,408,536,505,981.47/19,265,091.22
  6. Step 6: Final answer
    x = 8,430,198.16

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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.