Home / 14,504,861.72-20,045,416.86-11,887,238

Finding the Fourth Proportional to 14,504,861.72, 20,045,416.86 and 11,887,238

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Solution

The fourth proportional to 14,504,861.72, 20,045,416.86 and 11,887,238 is: 16,427,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504,861.72 : 20,045,416.86 = 11,887,238 : x
  2. Step 2: Convert to fraction form
    14,504,861.72/20,045,416.86 = 11,887,238/x
  3. Step 3: Cross multiply
    14,504,861.72x = 20,045,416.86 × 11,887,238
  4. Step 4: Simplify right side
    14,504,861.72x = 238,284,641,024,032.69
  5. Step 5: Solve for x
    x = 238,284,641,024,032.69/14,504,861.72
  6. Step 6: Final answer
    x = 16,427,915.39

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1.5x scale

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.