Home / 17,173,031.72-23,699,352.12-9,438,348.20

Finding the Fourth Proportional to 17,173,031.72, 23,699,352.12 and 9,438,348.20

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Solution

The fourth proportional to 17,173,031.72, 23,699,352.12 and 9,438,348.20 is: 13,025,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173,031.72 : 23,699,352.12 = 9,438,348.20 : x
  2. Step 2: Convert to fraction form
    17,173,031.72/23,699,352.12 = 9,438,348.20/x
  3. Step 3: Cross multiply
    17,173,031.72x = 23,699,352.12 × 9,438,348.20
  4. Step 4: Simplify right side
    17,173,031.72x = 223,682,737,422,968.19
  5. Step 5: Solve for x
    x = 223,682,737,422,968.19/17,173,031.72
  6. Step 6: Final answer
    x = 13,025,232.88

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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.