Home / 13,040,893.80-19,561,340.70-8,191,002.60

Finding the Fourth Proportional to 13,040,893.80, 19,561,340.70 and 8,191,002.60

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Solution

The fourth proportional to 13,040,893.80, 19,561,340.70 and 8,191,002.60 is: 12,286,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,893.80 : 19,561,340.70 = 8,191,002.60 : x
  2. Step 2: Convert to fraction form
    13,040,893.80/19,561,340.70 = 8,191,002.60/x
  3. Step 3: Cross multiply
    13,040,893.80x = 19,561,340.70 × 8,191,002.60
  4. Step 4: Simplify right side
    13,040,893.80x = 160,226,992,533,185.81
  5. Step 5: Solve for x
    x = 160,226,992,533,185.81/13,040,893.80
  6. Step 6: Final answer
    x = 12,286,503.90

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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.