Home / 13,105,040.07-18,085,571.10-7,303,863.36

Finding the Fourth Proportional to 13,105,040.07, 18,085,571.10 and 7,303,863.36

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Solution

The fourth proportional to 13,105,040.07, 18,085,571.10 and 7,303,863.36 is: 10,079,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,040.07 : 18,085,571.10 = 7,303,863.36 : x
  2. Step 2: Convert to fraction form
    13,105,040.07/18,085,571.10 = 7,303,863.36/x
  3. Step 3: Cross multiply
    13,105,040.07x = 18,085,571.10 × 7,303,863.36
  4. Step 4: Simplify right side
    13,105,040.07x = 132,094,540,101,964.91
  5. Step 5: Solve for x
    x = 132,094,540,101,964.91/13,105,040.07
  6. Step 6: Final answer
    x = 10,079,674.64

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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.