Home / 12,892,456.40-17,794,117.14-7,389,519.60

Finding the Fourth Proportional to 12,892,456.40, 17,794,117.14 and 7,389,519.60

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Solution

The fourth proportional to 12,892,456.40, 17,794,117.14 and 7,389,519.60 is: 10,198,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,456.40 : 17,794,117.14 = 7,389,519.60 : x
  2. Step 2: Convert to fraction form
    12,892,456.40/17,794,117.14 = 7,389,519.60/x
  3. Step 3: Cross multiply
    12,892,456.40x = 17,794,117.14 × 7,389,519.60
  4. Step 4: Simplify right side
    12,892,456.40x = 131,489,977,370,725.94
  5. Step 5: Solve for x
    x = 131,489,977,370,725.94/12,892,456.40
  6. Step 6: Final answer
    x = 10,198,985.62

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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.