Home / 13,040,883.40-19,561,325.10-8,505,920.20

Finding the Fourth Proportional to 13,040,883.40, 19,561,325.10 and 8,505,920.20

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Solution

The fourth proportional to 13,040,883.40, 19,561,325.10 and 8,505,920.20 is: 12,758,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,883.40 : 19,561,325.10 = 8,505,920.20 : x
  2. Step 2: Convert to fraction form
    13,040,883.40/19,561,325.10 = 8,505,920.20/x
  3. Step 3: Cross multiply
    13,040,883.40x = 19,561,325.10 × 8,505,920.20
  4. Step 4: Simplify right side
    13,040,883.40x = 166,387,070,306,857.03
  5. Step 5: Solve for x
    x = 166,387,070,306,857.03/13,040,883.40
  6. Step 6: Final answer
    x = 12,758,880.30

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1.5x scale

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.