Home / 21,629,442.58-29,848,587.33-11,839,889.50

Finding the Fourth Proportional to 21,629,442.58, 29,848,587.33 and 11,839,889.50

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Solution

The fourth proportional to 21,629,442.58, 29,848,587.33 and 11,839,889.50 is: 16,339,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629,442.58 : 29,848,587.33 = 11,839,889.50 : x
  2. Step 2: Convert to fraction form
    21,629,442.58/29,848,587.33 = 11,839,889.50/x
  3. Step 3: Cross multiply
    21,629,442.58x = 29,848,587.33 × 11,839,889.50
  4. Step 4: Simplify right side
    21,629,442.58x = 353,403,975,718,300
  5. Step 5: Solve for x
    x = 353,403,975,718,300/21,629,442.58
  6. Step 6: Final answer
    x = 16,339,023.74

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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.