Home / 17,120,621.52-23,626,455.66-9,385,718.49

Finding the Fourth Proportional to 17,120,621.52, 23,626,455.66 and 9,385,718.49

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Solution

The fourth proportional to 17,120,621.52, 23,626,455.66 and 9,385,718.49 is: 12,952,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120,621.52 : 23,626,455.66 = 9,385,718.49 : x
  2. Step 2: Convert to fraction form
    17,120,621.52/23,626,455.66 = 9,385,718.49/x
  3. Step 3: Cross multiply
    17,120,621.52x = 23,626,455.66 × 9,385,718.49
  4. Step 4: Simplify right side
    17,120,621.52x = 221,751,261,741,227.16
  5. Step 5: Solve for x
    x = 221,751,261,741,227.16/17,120,621.52
  6. Step 6: Final answer
    x = 12,952,290.40

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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.