Home / 13,860,109.31-20,775,503.24-5,220,471.52

Finding the Fourth Proportional to 13,860,109.31, 20,775,503.24 and 5,220,471.52

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Solution

The fourth proportional to 13,860,109.31, 20,775,503.24 and 5,220,471.52 is: 7,825,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,109.31 : 20,775,503.24 = 5,220,471.52 : x
  2. Step 2: Convert to fraction form
    13,860,109.31/20,775,503.24 = 5,220,471.52/x
  3. Step 3: Cross multiply
    13,860,109.31x = 20,775,503.24 × 5,220,471.52
  4. Step 4: Simplify right side
    13,860,109.31x = 108,457,922,910,034.47
  5. Step 5: Solve for x
    x = 108,457,922,910,034.47/13,860,109.31
  6. Step 6: Final answer
    x = 7,825,185.25

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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.