Home / 20,101,625.63-30,162,402.26-7,970,829.11

Finding the Fourth Proportional to 20,101,625.63, 30,162,402.26 and 7,970,829.11

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Solution

The fourth proportional to 20,101,625.63, 30,162,402.26 and 7,970,829.11 is: 11,960,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,625.63 : 30,162,402.26 = 7,970,829.11 : x
  2. Step 2: Convert to fraction form
    20,101,625.63/30,162,402.26 = 7,970,829.11/x
  3. Step 3: Cross multiply
    20,101,625.63x = 30,162,402.26 × 7,970,829.11
  4. Step 4: Simplify right side
    20,101,625.63x = 240,419,353,921,683.66
  5. Step 5: Solve for x
    x = 240,419,353,921,683.66/20,101,625.63
  6. Step 6: Final answer
    x = 11,960,194.58

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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.