Home / 13,100,959.43-18,079,395.72-7,597,597.22

Finding the Fourth Proportional to 13,100,959.43, 18,079,395.72 and 7,597,597.22

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Solution

The fourth proportional to 13,100,959.43, 18,079,395.72 and 7,597,597.22 is: 10,484,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,959.43 : 18,079,395.72 = 7,597,597.22 : x
  2. Step 2: Convert to fraction form
    13,100,959.43/18,079,395.72 = 7,597,597.22/x
  3. Step 3: Cross multiply
    13,100,959.43x = 18,079,395.72 × 7,597,597.22
  4. Step 4: Simplify right side
    13,100,959.43x = 137,359,966,661,551.89
  5. Step 5: Solve for x
    x = 137,359,966,661,551.89/13,100,959.43
  6. Step 6: Final answer
    x = 10,484,725.75

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1.5x scale

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.