Home / 20,933,635.78-28,884,183.33-12,230,127.46

Finding the Fourth Proportional to 20,933,635.78, 28,884,183.33 and 12,230,127.46

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Solution

The fourth proportional to 20,933,635.78, 28,884,183.33 and 12,230,127.46 is: 16,875,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,635.78 : 28,884,183.33 = 12,230,127.46 : x
  2. Step 2: Convert to fraction form
    20,933,635.78/28,884,183.33 = 12,230,127.46/x
  3. Step 3: Cross multiply
    20,933,635.78x = 28,884,183.33 × 12,230,127.46
  4. Step 4: Simplify right side
    20,933,635.78x = 353,257,243,703,907.25
  5. Step 5: Solve for x
    x = 353,257,243,703,907.25/20,933,635.78
  6. Step 6: Final answer
    x = 16,875,102.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.