Home / 12,615,784.41-17,409,789.48-6,814,566.18

Finding the Fourth Proportional to 12,615,784.41, 17,409,789.48 and 6,814,566.18

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Solution

The fourth proportional to 12,615,784.41, 17,409,789.48 and 6,814,566.18 is: 9,404,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,784.41 : 17,409,789.48 = 6,814,566.18 : x
  2. Step 2: Convert to fraction form
    12,615,784.41/17,409,789.48 = 6,814,566.18/x
  3. Step 3: Cross multiply
    12,615,784.41x = 17,409,789.48 × 6,814,566.18
  4. Step 4: Simplify right side
    12,615,784.41x = 118,640,162,591,327.78
  5. Step 5: Solve for x
    x = 118,640,162,591,327.78/12,615,784.41
  6. Step 6: Final answer
    x = 9,404,105.11

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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.