Finding the Fourth Proportional to 7,387,743.98, 11,088,427.59 and 3,747,028.68
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Solution
The fourth proportional to 7,387,743.98, 11,088,427.59 and 3,747,028.68 is: 5,623,997.84
Step by Step Solution
- Step 1: Write the proportion equation
7,387,743.98 : 11,088,427.59 = 3,747,028.68 : x - Step 2: Convert to fraction form
7,387,743.98/11,088,427.59 = 3,747,028.68/x - Step 3: Cross multiply
7,387,743.98x = 11,088,427.59 × 3,747,028.68 - Step 4: Simplify right side
7,387,743.98x = 41,548,656,195,833.28 - Step 5: Solve for x
x = 41,548,656,195,833.28/7,387,743.98 - Step 6: Final answer
x = 5,623,997.84
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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.