Home / 18,257,640.75-25,196,331.56-10,108,878.75

Finding the Fourth Proportional to 18,257,640.75, 25,196,331.56 and 10,108,878.75

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Solution

The fourth proportional to 18,257,640.75, 25,196,331.56 and 10,108,878.75 is: 13,950,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,640.75 : 25,196,331.56 = 10,108,878.75 : x
  2. Step 2: Convert to fraction form
    18,257,640.75/25,196,331.56 = 10,108,878.75/x
  3. Step 3: Cross multiply
    18,257,640.75x = 25,196,331.56 × 10,108,878.75
  4. Step 4: Simplify right side
    18,257,640.75x = 254,706,660,634,293.97
  5. Step 5: Solve for x
    x = 254,706,660,634,293.97/18,257,640.75
  6. Step 6: Final answer
    x = 13,950,688.60

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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.