Home / 12,456,775.80-18,685,163.70-5,265,919.80

Finding the Fourth Proportional to 12,456,775.80, 18,685,163.70 and 5,265,919.80

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Solution

The fourth proportional to 12,456,775.80, 18,685,163.70 and 5,265,919.80 is: 7,898,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,775.80 : 18,685,163.70 = 5,265,919.80 : x
  2. Step 2: Convert to fraction form
    12,456,775.80/18,685,163.70 = 5,265,919.80/x
  3. Step 3: Cross multiply
    12,456,775.80x = 18,685,163.70 × 5,265,919.80
  4. Step 4: Simplify right side
    12,456,775.80x = 98,394,573,494,071.25
  5. Step 5: Solve for x
    x = 98,394,573,494,071.25/12,456,775.80
  6. Step 6: Final answer
    x = 7,898,879.70

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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.