Finding the Fourth Proportional to 9,198,395.76, 13,809,801.96 and 7,859,164.44
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Solution
The fourth proportional to 9,198,395.76, 13,809,801.96 and 7,859,164.44 is: 11,799,177.52
Step by Step Solution
- Step 1: Write the proportion equation
9,198,395.76 : 13,809,801.96 = 7,859,164.44 : x - Step 2: Convert to fraction form
9,198,395.76/13,809,801.96 = 7,859,164.44/x - Step 3: Cross multiply
9,198,395.76x = 13,809,801.96 × 7,859,164.44 - Step 4: Simplify right side
9,198,395.76x = 108,533,504,487,474.31 - Step 5: Solve for x
x = 108,533,504,487,474.31/9,198,395.76 - Step 6: Final answer
x = 11,799,177.52
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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.