Home / 21,422,980.85-29,563,927.97-11,633,509.58

Finding the Fourth Proportional to 21,422,980.85, 29,563,927.97 and 11,633,509.58

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Solution

The fourth proportional to 21,422,980.85, 29,563,927.97 and 11,633,509.58 is: 16,054,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,980.85 : 29,563,927.97 = 11,633,509.58 : x
  2. Step 2: Convert to fraction form
    21,422,980.85/29,563,927.97 = 11,633,509.58/x
  3. Step 3: Cross multiply
    21,422,980.85x = 29,563,927.97 × 11,633,509.58
  4. Step 4: Simplify right side
    21,422,980.85x = 343,932,239,055,437.75
  5. Step 5: Solve for x
    x = 343,932,239,055,437.75/21,422,980.85
  6. Step 6: Final answer
    x = 16,054,359.64

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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.