Home / 21,410,339.58-29,546,288.46-11,620,780.92

Finding the Fourth Proportional to 21,410,339.58, 29,546,288.46 and 11,620,780.92

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Solution

The fourth proportional to 21,410,339.58, 29,546,288.46 and 11,620,780.92 is: 16,036,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,339.58 : 29,546,288.46 = 11,620,780.92 : x
  2. Step 2: Convert to fraction form
    21,410,339.58/29,546,288.46 = 11,620,780.92/x
  3. Step 3: Cross multiply
    21,410,339.58x = 29,546,288.46 × 11,620,780.92
  4. Step 4: Simplify right side
    21,410,339.58x = 343,350,945,192,784.19
  5. Step 5: Solve for x
    x = 343,350,945,192,784.19/21,410,339.58
  6. Step 6: Final answer
    x = 16,036,688.44

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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.