Home / 13,861,079.92-19,120,610.82-8,059,220.29

Finding the Fourth Proportional to 13,861,079.92, 19,120,610.82 and 8,059,220.29

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Solution

The fourth proportional to 13,861,079.92, 19,120,610.82 and 8,059,220.29 is: 11,117,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861,079.92 : 19,120,610.82 = 8,059,220.29 : x
  2. Step 2: Convert to fraction form
    13,861,079.92/19,120,610.82 = 8,059,220.29/x
  3. Step 3: Cross multiply
    13,861,079.92x = 19,120,610.82 × 8,059,220.29
  4. Step 4: Simplify right side
    13,861,079.92x = 154,097,214,677,737.53
  5. Step 5: Solve for x
    x = 154,097,214,677,737.53/13,861,079.92
  6. Step 6: Final answer
    x = 11,117,258.94

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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.