Home / 21,410,516.30-29,546,438.72-11,620,959.98

Finding the Fourth Proportional to 21,410,516.30, 29,546,438.72 and 11,620,959.98

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Solution

The fourth proportional to 21,410,516.30, 29,546,438.72 and 11,620,959.98 is: 16,036,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,516.30 : 29,546,438.72 = 11,620,959.98 : x
  2. Step 2: Convert to fraction form
    21,410,516.30/29,546,438.72 = 11,620,959.98/x
  3. Step 3: Cross multiply
    21,410,516.30x = 29,546,438.72 × 11,620,959.98
  4. Step 4: Simplify right side
    21,410,516.30x = 343,357,981,710,805.44
  5. Step 5: Solve for x
    x = 343,357,981,710,805.44/21,410,516.30
  6. Step 6: Final answer
    x = 16,036,884.72

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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.