Home / 12,615,785.56-17,409,791.08-6,814,567.35

Finding the Fourth Proportional to 12,615,785.56, 17,409,791.08 and 6,814,567.35

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Solution

The fourth proportional to 12,615,785.56, 17,409,791.08 and 6,814,567.35 is: 9,404,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,785.56 : 17,409,791.08 = 6,814,567.35 : x
  2. Step 2: Convert to fraction form
    12,615,785.56/17,409,791.08 = 6,814,567.35/x
  3. Step 3: Cross multiply
    12,615,785.56x = 17,409,791.08 × 6,814,567.35
  4. Step 4: Simplify right side
    12,615,785.56x = 118,640,193,847,052.81
  5. Step 5: Solve for x
    x = 118,640,193,847,052.81/12,615,785.56
  6. Step 6: Final answer
    x = 9,404,106.73

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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.