Home / 12,892,532.21-17,794,222.79-7,389,596.73

Finding the Fourth Proportional to 12,892,532.21, 17,794,222.79 and 7,389,596.73

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Solution

The fourth proportional to 12,892,532.21, 17,794,222.79 and 7,389,596.73 is: 10,199,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,532.21 : 17,794,222.79 = 7,389,596.73 : x
  2. Step 2: Convert to fraction form
    12,892,532.21/17,794,222.79 = 7,389,596.73/x
  3. Step 3: Cross multiply
    12,892,532.21x = 17,794,222.79 × 7,389,596.73
  4. Step 4: Simplify right side
    12,892,532.21x = 131,492,130,504,927.50
  5. Step 5: Solve for x
    x = 131,492,130,504,927.50/12,892,532.21
  6. Step 6: Final answer
    x = 10,199,092.65

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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.