Home / 13,892,895.72-20,837,451.78-3,656,898.30

Finding the Fourth Proportional to 13,892,895.72, 20,837,451.78 and 3,656,898.30

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Solution

The fourth proportional to 13,892,895.72, 20,837,451.78 and 3,656,898.30 is: 5,484,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,895.72 : 20,837,451.78 = 3,656,898.30 : x
  2. Step 2: Convert to fraction form
    13,892,895.72/20,837,451.78 = 3,656,898.30/x
  3. Step 3: Cross multiply
    13,892,895.72x = 20,837,451.78 × 3,656,898.30
  4. Step 4: Simplify right side
    13,892,895.72x = 76,200,441,990,613.97
  5. Step 5: Solve for x
    x = 76,200,441,990,613.97/13,892,895.72
  6. Step 6: Final answer
    x = 5,484,849.49

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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.