Home / 21,345,782.24-29,456,967.84-11,555,967.44

Finding the Fourth Proportional to 21,345,782.24, 29,456,967.84 and 11,555,967.44

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Solution

The fourth proportional to 21,345,782.24, 29,456,967.84 and 11,555,967.44 is: 15,947,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,782.24 : 29,456,967.84 = 11,555,967.44 : x
  2. Step 2: Convert to fraction form
    21,345,782.24/29,456,967.84 = 11,555,967.44/x
  3. Step 3: Cross multiply
    21,345,782.24x = 29,456,967.84 × 11,555,967.44
  4. Step 4: Simplify right side
    21,345,782.24x = 340,403,761,240,167.12
  5. Step 5: Solve for x
    x = 340,403,761,240,167.12/21,345,782.24
  6. Step 6: Final answer
    x = 15,947,120.49

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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.