Home / 9,640,232.15-13,303,546.16-5,229,957.78

Finding the Fourth Proportional to 9,640,232.15, 13,303,546.16 and 5,229,957.78

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Solution

The fourth proportional to 9,640,232.15, 13,303,546.16 and 5,229,957.78 is: 7,217,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640,232.15 : 13,303,546.16 = 5,229,957.78 : x
  2. Step 2: Convert to fraction form
    9,640,232.15/13,303,546.16 = 5,229,957.78/x
  3. Step 3: Cross multiply
    9,640,232.15x = 13,303,546.16 × 5,229,957.78
  4. Step 4: Simplify right side
    9,640,232.15x = 69,576,984,721,410.83
  5. Step 5: Solve for x
    x = 69,576,984,721,410.83/9,640,232.15
  6. Step 6: Final answer
    x = 7,217,355.72

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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.