Home / 30,322,582.86-45,474,896.08-8,457,689.85

Finding the Fourth Proportional to 30,322,582.86, 45,474,896.08 and 8,457,689.85

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Solution

The fourth proportional to 30,322,582.86, 45,474,896.08 and 8,457,689.85 is: 12,684,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322,582.86 : 45,474,896.08 = 8,457,689.85 : x
  2. Step 2: Convert to fraction form
    30,322,582.86/45,474,896.08 = 8,457,689.85/x
  3. Step 3: Cross multiply
    30,322,582.86x = 45,474,896.08 × 8,457,689.85
  4. Step 4: Simplify right side
    30,322,582.86x = 384,612,567,005,620.75
  5. Step 5: Solve for x
    x = 384,612,567,005,620.75/30,322,582.86
  6. Step 6: Final answer
    x = 12,684,030.54

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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.