Home / 13,140,745.40-19,710,884.82-6,747,240.44

Finding the Fourth Proportional to 13,140,745.40, 19,710,884.82 and 6,747,240.44

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Solution

The fourth proportional to 13,140,745.40, 19,710,884.82 and 6,747,240.44 is: 10,120,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,745.40 : 19,710,884.82 = 6,747,240.44 : x
  2. Step 2: Convert to fraction form
    13,140,745.40/19,710,884.82 = 6,747,240.44/x
  3. Step 3: Cross multiply
    13,140,745.40x = 19,710,884.82 × 6,747,240.44
  4. Step 4: Simplify right side
    13,140,745.40x = 132,994,079,165,686.12
  5. Step 5: Solve for x
    x = 132,994,079,165,686.12/13,140,745.40
  6. Step 6: Final answer
    x = 10,120,740.88

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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.