Home / 12,651,439.28-18,973,398.46-5,364,791.48

Finding the Fourth Proportional to 12,651,439.28, 18,973,398.46 and 5,364,791.48

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Solution

The fourth proportional to 12,651,439.28, 18,973,398.46 and 5,364,791.48 is: 8,045,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,439.28 : 18,973,398.46 = 5,364,791.48 : x
  2. Step 2: Convert to fraction form
    12,651,439.28/18,973,398.46 = 5,364,791.48/x
  3. Step 3: Cross multiply
    12,651,439.28x = 18,973,398.46 × 5,364,791.48
  4. Step 4: Simplify right side
    12,651,439.28x = 101,788,326,404,853.14
  5. Step 5: Solve for x
    x = 101,788,326,404,853.14/12,651,439.28
  6. Step 6: Final answer
    x = 8,045,592.61

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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.