Home / 30,311,129.34-41,829,375.28-16,372,484.38

Finding the Fourth Proportional to 30,311,129.34, 41,829,375.28 and 16,372,484.38

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Solution

The fourth proportional to 30,311,129.34, 41,829,375.28 and 16,372,484.38 is: 22,594,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,129.34 : 41,829,375.28 = 16,372,484.38 : x
  2. Step 2: Convert to fraction form
    30,311,129.34/41,829,375.28 = 16,372,484.38/x
  3. Step 3: Cross multiply
    30,311,129.34x = 41,829,375.28 × 16,372,484.38
  4. Step 4: Simplify right side
    30,311,129.34x = 684,850,793,396,958.12
  5. Step 5: Solve for x
    x = 684,850,793,396,958.12/30,311,129.34
  6. Step 6: Final answer
    x = 22,594,037.51

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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.