Home / 13,932,539.85-20,890,530.67-5,297,272.39

Finding the Fourth Proportional to 13,932,539.85, 20,890,530.67 and 5,297,272.39

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Solution

The fourth proportional to 13,932,539.85, 20,890,530.67 and 5,297,272.39 is: 7,942,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,539.85 : 20,890,530.67 = 5,297,272.39 : x
  2. Step 2: Convert to fraction form
    13,932,539.85/20,890,530.67 = 5,297,272.39/x
  3. Step 3: Cross multiply
    13,932,539.85x = 20,890,530.67 × 5,297,272.39
  4. Step 4: Simplify right side
    13,932,539.85x = 110,662,831,445,210.84
  5. Step 5: Solve for x
    x = 110,662,831,445,210.84/13,932,539.85
  6. Step 6: Final answer
    x = 7,942,760.81

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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.