Home / 13,200,344.35-18,217,317.05-7,399,127.59

Finding the Fourth Proportional to 13,200,344.35, 18,217,317.05 and 7,399,127.59

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Solution

The fourth proportional to 13,200,344.35, 18,217,317.05 and 7,399,127.59 is: 10,211,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,344.35 : 18,217,317.05 = 7,399,127.59 : x
  2. Step 2: Convert to fraction form
    13,200,344.35/18,217,317.05 = 7,399,127.59/x
  3. Step 3: Cross multiply
    13,200,344.35x = 18,217,317.05 × 7,399,127.59
  4. Step 4: Simplify right side
    13,200,344.35x = 134,792,253,145,640.20
  5. Step 5: Solve for x
    x = 134,792,253,145,640.20/13,200,344.35
  6. Step 6: Final answer
    x = 10,211,267.95

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1.5x scale

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.