Home / 7,676,782.40-11,511,323.11-2,557,412.47

Finding the Fourth Proportional to 7,676,782.40, 11,511,323.11 and 2,557,412.47

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Solution

The fourth proportional to 7,676,782.40, 11,511,323.11 and 2,557,412.47 is: 3,834,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,782.40 : 11,511,323.11 = 2,557,412.47 : x
  2. Step 2: Convert to fraction form
    7,676,782.40/11,511,323.11 = 2,557,412.47/x
  3. Step 3: Cross multiply
    7,676,782.40x = 11,511,323.11 × 2,557,412.47
  4. Step 4: Simplify right side
    7,676,782.40x = 29,439,201,267,713.18
  5. Step 5: Solve for x
    x = 29,439,201,267,713.18/7,676,782.40
  6. Step 6: Final answer
    x = 3,834,835.97

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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.