Home / 30,322,581.86-45,474,894.59-8,457,688.85

Finding the Fourth Proportional to 30,322,581.86, 45,474,894.59 and 8,457,688.85

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Solution

The fourth proportional to 30,322,581.86, 45,474,894.59 and 8,457,688.85 is: 12,684,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322,581.86 : 45,474,894.59 = 8,457,688.85 : x
  2. Step 2: Convert to fraction form
    30,322,581.86/45,474,894.59 = 8,457,688.85/x
  3. Step 3: Cross multiply
    30,322,581.86x = 45,474,894.59 × 8,457,688.85
  4. Step 4: Simplify right side
    30,322,581.86x = 384,612,508,659,105.44
  5. Step 5: Solve for x
    x = 384,612,508,659,105.44/30,322,581.86
  6. Step 6: Final answer
    x = 12,684,029.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.