Home / 12,651,438.28-18,973,396.96-5,364,790.48

Finding the Fourth Proportional to 12,651,438.28, 18,973,396.96 and 5,364,790.48

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Solution

The fourth proportional to 12,651,438.28, 18,973,396.96 and 5,364,790.48 is: 8,045,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,438.28 : 18,973,396.96 = 5,364,790.48 : x
  2. Step 2: Convert to fraction form
    12,651,438.28/18,973,396.96 = 5,364,790.48/x
  3. Step 3: Cross multiply
    12,651,438.28x = 18,973,396.96 × 5,364,790.48
  4. Step 4: Simplify right side
    12,651,438.28x = 101,788,299,384,268.95
  5. Step 5: Solve for x
    x = 101,788,299,384,268.95/12,651,438.28
  6. Step 6: Final answer
    x = 8,045,591.11

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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.