Home / 6,872,611.34-9,483,650.55-3,972,190.07

Finding the Fourth Proportional to 6,872,611.34, 9,483,650.55 and 3,972,190.07

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Solution

The fourth proportional to 6,872,611.34, 9,483,650.55 and 3,972,190.07 is: 5,481,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,611.34 : 9,483,650.55 = 3,972,190.07 : x
  2. Step 2: Convert to fraction form
    6,872,611.34/9,483,650.55 = 3,972,190.07/x
  3. Step 3: Cross multiply
    6,872,611.34x = 9,483,650.55 × 3,972,190.07
  4. Step 4: Simplify right side
    6,872,611.34x = 37,670,862,494,641.79
  5. Step 5: Solve for x
    x = 37,670,862,494,641.79/6,872,611.34
  6. Step 6: Final answer
    x = 5,481,302.62

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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.