Home / 12,615,831-17,409,853.26-6,814,612.62

Finding the Fourth Proportional to 12,615,831, 17,409,853.26 and 6,814,612.62

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Solution

The fourth proportional to 12,615,831, 17,409,853.26 and 6,814,612.62 is: 9,404,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,831 : 17,409,853.26 = 6,814,612.62 : x
  2. Step 2: Convert to fraction form
    12,615,831/17,409,853.26 = 6,814,612.62/x
  3. Step 3: Cross multiply
    12,615,831x = 17,409,853.26 × 6,814,612.62
  4. Step 4: Simplify right side
    12,615,831x = 118,641,405,737,944.16
  5. Step 5: Solve for x
    x = 118,641,405,737,944.16/12,615,831
  6. Step 6: Final answer
    x = 9,404,168.92

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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.