Finding the Fourth Proportional to 14,060,067.36, 19,403,539.92 and 7,948,753.44
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Solution
The fourth proportional to 14,060,067.36, 19,403,539.92 and 7,948,753.44 is: 10,969,645.50
Step by Step Solution
- Step 1: Write the proportion equation
14,060,067.36 : 19,403,539.92 = 7,948,753.44 : x - Step 2: Convert to fraction form
14,060,067.36/19,403,539.92 = 7,948,753.44/x - Step 3: Cross multiply
14,060,067.36x = 19,403,539.92 × 7,948,753.44 - Step 4: Simplify right side
14,060,067.36x = 154,233,954,687,277.34 - Step 5: Solve for x
x = 154,233,954,687,277.34/14,060,067.36 - Step 6: Final answer
x = 10,969,645.50
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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.