Home / 13,065,391.92-18,030,224.52-7,263,990.48

Finding the Fourth Proportional to 13,065,391.92, 18,030,224.52 and 7,263,990.48

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Solution

The fourth proportional to 13,065,391.92, 18,030,224.52 and 7,263,990.48 is: 10,024,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,391.92 : 18,030,224.52 = 7,263,990.48 : x
  2. Step 2: Convert to fraction form
    13,065,391.92/18,030,224.52 = 7,263,990.48/x
  3. Step 3: Cross multiply
    13,065,391.92x = 18,030,224.52 × 7,263,990.48
  4. Step 4: Simplify right side
    13,065,391.92x = 130,971,379,265,542.58
  5. Step 5: Solve for x
    x = 130,971,379,265,542.58/13,065,391.92
  6. Step 6: Final answer
    x = 10,024,297.78

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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.