Home / 13,861,087.92-19,120,621.86-8,059,228.30

Finding the Fourth Proportional to 13,861,087.92, 19,120,621.86 and 8,059,228.30

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Solution

The fourth proportional to 13,861,087.92, 19,120,621.86 and 8,059,228.30 is: 11,117,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861,087.92 : 19,120,621.86 = 8,059,228.30 : x
  2. Step 2: Convert to fraction form
    13,861,087.92/19,120,621.86 = 8,059,228.30/x
  3. Step 3: Cross multiply
    13,861,087.92x = 19,120,621.86 × 8,059,228.30
  4. Step 4: Simplify right side
    13,861,087.92x = 154,097,456,807,710.62
  5. Step 5: Solve for x
    x = 154,097,456,807,710.62/13,861,087.92
  6. Step 6: Final answer
    x = 11,117,269.99

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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.