Home / 18,795,651.64-28,193,502.18-5,148,919.33

Finding the Fourth Proportional to 18,795,651.64, 28,193,502.18 and 5,148,919.33

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Solution

The fourth proportional to 18,795,651.64, 28,193,502.18 and 5,148,919.33 is: 7,723,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,651.64 : 28,193,502.18 = 5,148,919.33 : x
  2. Step 2: Convert to fraction form
    18,795,651.64/28,193,502.18 = 5,148,919.33/x
  3. Step 3: Cross multiply
    18,795,651.64x = 28,193,502.18 × 5,148,919.33
  4. Step 4: Simplify right side
    18,795,651.64x = 145,166,068,354,999.12
  5. Step 5: Solve for x
    x = 145,166,068,354,999.12/18,795,651.64
  6. Step 6: Final answer
    x = 7,723,385.77

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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.