Home / 13,285,481.70-19,928,222.55-8,498,576.10

Finding the Fourth Proportional to 13,285,481.70, 19,928,222.55 and 8,498,576.10

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Solution

The fourth proportional to 13,285,481.70, 19,928,222.55 and 8,498,576.10 is: 12,747,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,481.70 : 19,928,222.55 = 8,498,576.10 : x
  2. Step 2: Convert to fraction form
    13,285,481.70/19,928,222.55 = 8,498,576.10/x
  3. Step 3: Cross multiply
    13,285,481.70x = 19,928,222.55 × 8,498,576.10
  4. Step 4: Simplify right side
    13,285,481.70x = 169,361,515,878,911.06
  5. Step 5: Solve for x
    x = 169,361,515,878,911.06/13,285,481.70
  6. Step 6: Final answer
    x = 12,747,864.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.