Home / 18,958,151.58-28,420,156.92-6,819,082.32

Finding the Fourth Proportional to 18,958,151.58, 28,420,156.92 and 6,819,082.32

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Solution

The fourth proportional to 18,958,151.58, 28,420,156.92 and 6,819,082.32 is: 10,222,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,151.58 : 28,420,156.92 = 6,819,082.32 : x
  2. Step 2: Convert to fraction form
    18,958,151.58/28,420,156.92 = 6,819,082.32/x
  3. Step 3: Cross multiply
    18,958,151.58x = 28,420,156.92 × 6,819,082.32
  4. Step 4: Simplify right side
    18,958,151.58x = 193,799,389,584,797.69
  5. Step 5: Solve for x
    x = 193,799,389,584,797.69/18,958,151.58
  6. Step 6: Final answer
    x = 10,222,483.39

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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.