Home / 30,867,357.38-42,597,735.30-16,929,267.39

Finding the Fourth Proportional to 30,867,357.38, 42,597,735.30 and 16,929,267.39

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Solution

The fourth proportional to 30,867,357.38, 42,597,735.30 and 16,929,267.39 is: 23,362,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867,357.38 : 42,597,735.30 = 16,929,267.39 : x
  2. Step 2: Convert to fraction form
    30,867,357.38/42,597,735.30 = 16,929,267.39/x
  3. Step 3: Cross multiply
    30,867,357.38x = 42,597,735.30 × 16,929,267.39
  4. Step 4: Simplify right side
    30,867,357.38x = 721,148,451,102,141.88
  5. Step 5: Solve for x
    x = 721,148,451,102,141.88/30,867,357.38
  6. Step 6: Final answer
    x = 23,362,817.95

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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.