Home / 13,607,402.82-20,400,841.32-8,214,771.52

Finding the Fourth Proportional to 13,607,402.82, 20,400,841.32 and 8,214,771.52

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Solution

The fourth proportional to 13,607,402.82, 20,400,841.32 and 8,214,771.52 is: 12,315,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,402.82 : 20,400,841.32 = 8,214,771.52 : x
  2. Step 2: Convert to fraction form
    13,607,402.82/20,400,841.32 = 8,214,771.52/x
  3. Step 3: Cross multiply
    13,607,402.82x = 20,400,841.32 × 8,214,771.52
  4. Step 4: Simplify right side
    13,607,402.82x = 167,588,250,259,575.19
  5. Step 5: Solve for x
    x = 167,588,250,259,575.19/13,607,402.82
  6. Step 6: Final answer
    x = 12,315,961.57

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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.