Home / 7,339,998.80-11,019,620.49-4,921,971.86

Finding the Fourth Proportional to 7,339,998.80, 11,019,620.49 and 4,921,971.86

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Solution

The fourth proportional to 7,339,998.80, 11,019,620.49 and 4,921,971.86 is: 7,389,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,998.80 : 11,019,620.49 = 4,921,971.86 : x
  2. Step 2: Convert to fraction form
    7,339,998.80/11,019,620.49 = 4,921,971.86/x
  3. Step 3: Cross multiply
    7,339,998.80x = 11,019,620.49 × 4,921,971.86
  4. Step 4: Simplify right side
    7,339,998.80x = 54,238,261,959,659.41
  5. Step 5: Solve for x
    x = 54,238,261,959,659.41/7,339,998.80
  6. Step 6: Final answer
    x = 7,389,410.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.