Home / 17,238,078.30-25,857,117.45-7,643,271.90

Finding the Fourth Proportional to 17,238,078.30, 25,857,117.45 and 7,643,271.90

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Solution

The fourth proportional to 17,238,078.30, 25,857,117.45 and 7,643,271.90 is: 11,464,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238,078.30 : 25,857,117.45 = 7,643,271.90 : x
  2. Step 2: Convert to fraction form
    17,238,078.30/25,857,117.45 = 7,643,271.90/x
  3. Step 3: Cross multiply
    17,238,078.30x = 25,857,117.45 × 7,643,271.90
  4. Step 4: Simplify right side
    17,238,078.30x = 197,632,979,220,584.66
  5. Step 5: Solve for x
    x = 197,632,979,220,584.66/17,238,078.30
  6. Step 6: Final answer
    x = 11,464,907.85

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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.