Home / 30,680,782.65-42,340,378.44-16,743,035.85

Finding the Fourth Proportional to 30,680,782.65, 42,340,378.44 and 16,743,035.85

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Solution

The fourth proportional to 30,680,782.65, 42,340,378.44 and 16,743,035.85 is: 23,105,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,782.65 : 42,340,378.44 = 16,743,035.85 : x
  2. Step 2: Convert to fraction form
    30,680,782.65/42,340,378.44 = 16,743,035.85/x
  3. Step 3: Cross multiply
    30,680,782.65x = 42,340,378.44 × 16,743,035.85
  4. Step 4: Simplify right side
    30,680,782.65x = 708,906,474,123,487
  5. Step 5: Solve for x
    x = 708,906,474,123,487/30,680,782.65
  6. Step 6: Final answer
    x = 23,105,879.74

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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.