Home / 13,368,422.40-18,448,371.52-7,256,797.44

Finding the Fourth Proportional to 13,368,422.40, 18,448,371.52 and 7,256,797.44

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Solution

The fourth proportional to 13,368,422.40, 18,448,371.52 and 7,256,797.44 is: 10,014,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368,422.40 : 18,448,371.52 = 7,256,797.44 : x
  2. Step 2: Convert to fraction form
    13,368,422.40/18,448,371.52 = 7,256,797.44/x
  3. Step 3: Cross multiply
    13,368,422.40x = 18,448,371.52 × 7,256,797.44
  4. Step 4: Simplify right side
    13,368,422.40x = 133,876,095,218,504.91
  5. Step 5: Solve for x
    x = 133,876,095,218,504.91/13,368,422.40
  6. Step 6: Final answer
    x = 10,014,352.57

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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.