Home / 13,760,515.20-20,640,772.80-4,175,428.80

Finding the Fourth Proportional to 13,760,515.20, 20,640,772.80 and 4,175,428.80

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Solution

The fourth proportional to 13,760,515.20, 20,640,772.80 and 4,175,428.80 is: 6,263,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,515.20 : 20,640,772.80 = 4,175,428.80 : x
  2. Step 2: Convert to fraction form
    13,760,515.20/20,640,772.80 = 4,175,428.80/x
  3. Step 3: Cross multiply
    13,760,515.20x = 20,640,772.80 × 4,175,428.80
  4. Step 4: Simplify right side
    13,760,515.20x = 86,184,077,203,376.64
  5. Step 5: Solve for x
    x = 86,184,077,203,376.64/13,760,515.20
  6. Step 6: Final answer
    x = 6,263,143.20

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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.