Home / 28,026,608.40-42,039,912.60-27,396,752.40

Finding the Fourth Proportional to 28,026,608.40, 42,039,912.60 and 27,396,752.40

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Solution

The fourth proportional to 28,026,608.40, 42,039,912.60 and 27,396,752.40 is: 41,095,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,608.40 : 42,039,912.60 = 27,396,752.40 : x
  2. Step 2: Convert to fraction form
    28,026,608.40/42,039,912.60 = 27,396,752.40/x
  3. Step 3: Cross multiply
    28,026,608.40x = 42,039,912.60 × 27,396,752.40
  4. Step 4: Simplify right side
    28,026,608.40x = 1,151,757,076,419,840.25
  5. Step 5: Solve for x
    x = 1,151,757,076,419,840.25/28,026,608.40
  6. Step 6: Final answer
    x = 41,095,128.60

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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.