Home / 17,018,211-25,512,997.86-7,915,683.72

Finding the Fourth Proportional to 17,018,211, 25,512,997.86 and 7,915,683.72

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Solution

The fourth proportional to 17,018,211, 25,512,997.86 and 7,915,683.72 is: 11,866,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018,211 : 25,512,997.86 = 7,915,683.72 : x
  2. Step 2: Convert to fraction form
    17,018,211/25,512,997.86 = 7,915,683.72/x
  3. Step 3: Cross multiply
    17,018,211x = 25,512,997.86 × 7,915,683.72
  4. Step 4: Simplify right side
    17,018,211x = 201,952,821,808,796.81
  5. Step 5: Solve for x
    x = 201,952,821,808,796.81/17,018,211
  6. Step 6: Final answer
    x = 11,866,865.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.