Home / 33,072,171.40-45,640,127.22-18,188,083.72

Finding the Fourth Proportional to 33,072,171.40, 45,640,127.22 and 18,188,083.72

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Solution

The fourth proportional to 33,072,171.40, 45,640,127.22 and 18,188,083.72 is: 25,099,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072,171.40 : 45,640,127.22 = 18,188,083.72 : x
  2. Step 2: Convert to fraction form
    33,072,171.40/45,640,127.22 = 18,188,083.72/x
  3. Step 3: Cross multiply
    33,072,171.40x = 45,640,127.22 × 18,188,083.72
  4. Step 4: Simplify right side
    33,072,171.40x = 830,106,454,868,810.75
  5. Step 5: Solve for x
    x = 830,106,454,868,810.75/33,072,171.40
  6. Step 6: Final answer
    x = 25,099,847.39

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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.