Home / 12,615,786.34-17,409,792.17-6,814,568.13

Finding the Fourth Proportional to 12,615,786.34, 17,409,792.17 and 6,814,568.13

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Solution

The fourth proportional to 12,615,786.34, 17,409,792.17 and 6,814,568.13 is: 9,404,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,786.34 : 17,409,792.17 = 6,814,568.13 : x
  2. Step 2: Convert to fraction form
    12,615,786.34/17,409,792.17 = 6,814,568.13/x
  3. Step 3: Cross multiply
    12,615,786.34x = 17,409,792.17 × 6,814,568.13
  4. Step 4: Simplify right side
    12,615,786.34x = 118,640,214,871,605.55
  5. Step 5: Solve for x
    x = 118,640,214,871,605.55/12,615,786.34
  6. Step 6: Final answer
    x = 9,404,107.81

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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.