Home / 30,711,305.30-42,381,849.26-16,960,269.42

Finding the Fourth Proportional to 30,711,305.30, 42,381,849.26 and 16,960,269.42

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Solution

The fourth proportional to 30,711,305.30, 42,381,849.26 and 16,960,269.42 is: 23,405,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711,305.30 : 42,381,849.26 = 16,960,269.42 : x
  2. Step 2: Convert to fraction form
    30,711,305.30/42,381,849.26 = 16,960,269.42/x
  3. Step 3: Cross multiply
    30,711,305.30x = 42,381,849.26 × 16,960,269.42
  4. Step 4: Simplify right side
    30,711,305.30x = 718,807,581,882,626.38
  5. Step 5: Solve for x
    x = 718,807,581,882,626.38/30,711,305.30
  6. Step 6: Final answer
    x = 23,405,308.73

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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.