Home / 15,135,632.63-20,887,852.15-8,522,495.22

Finding the Fourth Proportional to 15,135,632.63, 20,887,852.15 and 8,522,495.22

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Solution

The fourth proportional to 15,135,632.63, 20,887,852.15 and 8,522,495.22 is: 11,761,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,632.63 : 20,887,852.15 = 8,522,495.22 : x
  2. Step 2: Convert to fraction form
    15,135,632.63/20,887,852.15 = 8,522,495.22/x
  3. Step 3: Cross multiply
    15,135,632.63x = 20,887,852.15 × 8,522,495.22
  4. Step 4: Simplify right side
    15,135,632.63x = 178,016,620,104,441.72
  5. Step 5: Solve for x
    x = 178,016,620,104,441.72/15,135,632.63
  6. Step 6: Final answer
    x = 11,761,425.80

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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.