Home / 7,826,841.41-11,740,145.40-2,712,993.89

Finding the Fourth Proportional to 7,826,841.41, 11,740,145.40 and 2,712,993.89

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Solution

The fourth proportional to 7,826,841.41, 11,740,145.40 and 2,712,993.89 is: 4,069,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826,841.41 : 11,740,145.40 = 2,712,993.89 : x
  2. Step 2: Convert to fraction form
    7,826,841.41/11,740,145.40 = 2,712,993.89/x
  3. Step 3: Cross multiply
    7,826,841.41x = 11,740,145.40 × 2,712,993.89
  4. Step 4: Simplify right side
    7,826,841.41x = 31,850,942,679,210.88
  5. Step 5: Solve for x
    x = 31,850,942,679,210.88/7,826,841.41
  6. Step 6: Final answer
    x = 4,069,450.37

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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.