Home / 17,086,656.80-25,629,985.20-6,985,920.80

Finding the Fourth Proportional to 17,086,656.80, 25,629,985.20 and 6,985,920.80

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Solution

The fourth proportional to 17,086,656.80, 25,629,985.20 and 6,985,920.80 is: 10,478,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086,656.80 : 25,629,985.20 = 6,985,920.80 : x
  2. Step 2: Convert to fraction form
    17,086,656.80/25,629,985.20 = 6,985,920.80/x
  3. Step 3: Cross multiply
    17,086,656.80x = 25,629,985.20 × 6,985,920.80
  4. Step 4: Simplify right side
    17,086,656.80x = 179,049,046,712,372.16
  5. Step 5: Solve for x
    x = 179,049,046,712,372.16/17,086,656.80
  6. Step 6: Final answer
    x = 10,478,881.20

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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.