Home / 38,310,887.38-52,869,010.74-20,907,232.64

Finding the Fourth Proportional to 38,310,887.38, 52,869,010.74 and 20,907,232.64

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Solution

The fourth proportional to 38,310,887.38, 52,869,010.74 and 20,907,232.64 is: 28,851,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310,887.38 : 52,869,010.74 = 20,907,232.64 : x
  2. Step 2: Convert to fraction form
    38,310,887.38/52,869,010.74 = 20,907,232.64/x
  3. Step 3: Cross multiply
    38,310,887.38x = 52,869,010.74 × 20,907,232.64
  4. Step 4: Simplify right side
    38,310,887.38x = 1,105,344,706,987,838.62
  5. Step 5: Solve for x
    x = 1,105,344,706,987,838.62/38,310,887.38
  6. Step 6: Final answer
    x = 28,851,973.49

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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.