Home / 13,861,999.92-19,121,383.50-8,696,393.40

Finding the Fourth Proportional to 13,861,999.92, 19,121,383.50 and 8,696,393.40

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Solution

The fourth proportional to 13,861,999.92, 19,121,383.50 and 8,696,393.40 is: 11,995,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861,999.92 : 19,121,383.50 = 8,696,393.40 : x
  2. Step 2: Convert to fraction form
    13,861,999.92/19,121,383.50 = 8,696,393.40/x
  3. Step 3: Cross multiply
    13,861,999.92x = 19,121,383.50 × 8,696,393.40
  4. Step 4: Simplify right side
    13,861,999.92x = 166,287,073,268,268.91
  5. Step 5: Solve for x
    x = 166,287,073,268,268.91/13,861,999.92
  6. Step 6: Final answer
    x = 11,995,893.39

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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.