Home / 7,021,321.68-9,689,459.73-3,923,896.77

Finding the Fourth Proportional to 7,021,321.68, 9,689,459.73 and 3,923,896.77

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Solution

The fourth proportional to 7,021,321.68, 9,689,459.73 and 3,923,896.77 is: 5,414,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,321.68 : 9,689,459.73 = 3,923,896.77 : x
  2. Step 2: Convert to fraction form
    7,021,321.68/9,689,459.73 = 3,923,896.77/x
  3. Step 3: Cross multiply
    7,021,321.68x = 9,689,459.73 × 3,923,896.77
  4. Step 4: Simplify right side
    7,021,321.68x = 38,020,439,737,592.07
  5. Step 5: Solve for x
    x = 38,020,439,737,592.07/7,021,321.68
  6. Step 6: Final answer
    x = 5,414,997.56

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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.