Home / 13,860,113.06-20,775,508.88-5,220,475.26

Finding the Fourth Proportional to 13,860,113.06, 20,775,508.88 and 5,220,475.26

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Solution

The fourth proportional to 13,860,113.06, 20,775,508.88 and 5,220,475.26 is: 7,825,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,113.06 : 20,775,508.88 = 5,220,475.26 : x
  2. Step 2: Convert to fraction form
    13,860,113.06/20,775,508.88 = 5,220,475.26/x
  3. Step 3: Cross multiply
    13,860,113.06x = 20,775,508.88 × 5,220,475.26
  4. Step 4: Simplify right side
    13,860,113.06x = 108,458,030,095,847.92
  5. Step 5: Solve for x
    x = 108,458,030,095,847.92/13,860,113.06
  6. Step 6: Final answer
    x = 7,825,190.87

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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.