Home / 13,128,150.54-18,095,163.48-8,775,648.66

Finding the Fourth Proportional to 13,128,150.54, 18,095,163.48 and 8,775,648.66

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Solution

The fourth proportional to 13,128,150.54, 18,095,163.48 and 8,775,648.66 is: 12,095,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128,150.54 : 18,095,163.48 = 8,775,648.66 : x
  2. Step 2: Convert to fraction form
    13,128,150.54/18,095,163.48 = 8,775,648.66/x
  3. Step 3: Cross multiply
    13,128,150.54x = 18,095,163.48 × 8,775,648.66
  4. Step 4: Simplify right side
    13,128,150.54x = 158,796,797,145,742.94
  5. Step 5: Solve for x
    x = 158,796,797,145,742.94/13,128,150.54
  6. Step 6: Final answer
    x = 12,095,900.08

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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.