Home / 30,630,162.24-42,269,078.88-16,691,639.04

Finding the Fourth Proportional to 30,630,162.24, 42,269,078.88 and 16,691,639.04

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Solution

The fourth proportional to 30,630,162.24, 42,269,078.88 and 16,691,639.04 is: 23,034,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630,162.24 : 42,269,078.88 = 16,691,639.04 : x
  2. Step 2: Convert to fraction form
    30,630,162.24/42,269,078.88 = 16,691,639.04/x
  3. Step 3: Cross multiply
    30,630,162.24x = 42,269,078.88 × 16,691,639.04
  4. Step 4: Simplify right side
    30,630,162.24x = 705,540,207,218,247.50
  5. Step 5: Solve for x
    x = 705,540,207,218,247.50/30,630,162.24
  6. Step 6: Final answer
    x = 23,034,164.88

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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.