Home / 11,285,291.52-15,578,467.92-7,619,172.36

Finding the Fourth Proportional to 11,285,291.52, 15,578,467.92 and 7,619,172.36

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Solution

The fourth proportional to 11,285,291.52, 15,578,467.92 and 7,619,172.36 is: 10,517,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,291.52 : 15,578,467.92 = 7,619,172.36 : x
  2. Step 2: Convert to fraction form
    11,285,291.52/15,578,467.92 = 7,619,172.36/x
  3. Step 3: Cross multiply
    11,285,291.52x = 15,578,467.92 × 7,619,172.36
  4. Step 4: Simplify right side
    11,285,291.52x = 118,695,032,187,210.70
  5. Step 5: Solve for x
    x = 118,695,032,187,210.70/11,285,291.52
  6. Step 6: Final answer
    x = 10,517,675.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.