Home / 13,189,268.53-18,202,200.30-8,298,682.72

Finding the Fourth Proportional to 13,189,268.53, 18,202,200.30 and 8,298,682.72

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Solution

The fourth proportional to 13,189,268.53, 18,202,200.30 and 8,298,682.72 is: 11,452,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,268.53 : 18,202,200.30 = 8,298,682.72 : x
  2. Step 2: Convert to fraction form
    13,189,268.53/18,202,200.30 = 8,298,682.72/x
  3. Step 3: Cross multiply
    13,189,268.53x = 18,202,200.30 × 8,298,682.72
  4. Step 4: Simplify right side
    13,189,268.53x = 151,054,285,095,588.81
  5. Step 5: Solve for x
    x = 151,054,285,095,588.81/13,189,268.53
  6. Step 6: Final answer
    x = 11,452,817.47

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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.