Home / 21,102,076.54-29,120,865.63-11,444,284.54

Finding the Fourth Proportional to 21,102,076.54, 29,120,865.63 and 11,444,284.54

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Solution

The fourth proportional to 21,102,076.54, 29,120,865.63 and 11,444,284.54 is: 15,793,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,076.54 : 29,120,865.63 = 11,444,284.54 : x
  2. Step 2: Convert to fraction form
    21,102,076.54/29,120,865.63 = 11,444,284.54/x
  3. Step 3: Cross multiply
    21,102,076.54x = 29,120,865.63 × 11,444,284.54
  4. Step 4: Simplify right side
    21,102,076.54x = 333,267,472,320,826.31
  5. Step 5: Solve for x
    x = 333,267,472,320,826.31/21,102,076.54
  6. Step 6: Final answer
    x = 15,793,112.67

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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.