Home / 12,771,193.55-17,616,365.88-9,101,286.05

Finding the Fourth Proportional to 12,771,193.55, 17,616,365.88 and 9,101,286.05

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Solution

The fourth proportional to 12,771,193.55, 17,616,365.88 and 9,101,286.05 is: 12,554,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,193.55 : 17,616,365.88 = 9,101,286.05 : x
  2. Step 2: Convert to fraction form
    12,771,193.55/17,616,365.88 = 9,101,286.05/x
  3. Step 3: Cross multiply
    12,771,193.55x = 17,616,365.88 × 9,101,286.05
  4. Step 4: Simplify right side
    12,771,193.55x = 160,331,585,035,339.97
  5. Step 5: Solve for x
    x = 160,331,585,035,339.97/12,771,193.55
  6. Step 6: Final answer
    x = 12,554,158.26

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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.