Home / 21,932,861.99-30,269,380.58-12,143,306.36

Finding the Fourth Proportional to 21,932,861.99, 30,269,380.58 and 12,143,306.36

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Solution

The fourth proportional to 21,932,861.99, 30,269,380.58 and 12,143,306.36 is: 16,758,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,861.99 : 30,269,380.58 = 12,143,306.36 : x
  2. Step 2: Convert to fraction form
    21,932,861.99/30,269,380.58 = 12,143,306.36/x
  3. Step 3: Cross multiply
    21,932,861.99x = 30,269,380.58 × 12,143,306.36
  4. Step 4: Simplify right side
    21,932,861.99x = 367,570,361,710,374.44
  5. Step 5: Solve for x
    x = 367,570,361,710,374.44/21,932,861.99
  6. Step 6: Final answer
    x = 16,758,887.28

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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.