Finding the Fourth Proportional to 13,772,067.49, 20,660,623.49 and 5,680,629.15
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Solution
The fourth proportional to 13,772,067.49, 20,660,623.49 and 5,680,629.15 is: 8,521,984.09
Step by Step Solution
- Step 1: Write the proportion equation
13,772,067.49 : 20,660,623.49 = 5,680,629.15 : x - Step 2: Convert to fraction form
13,772,067.49/20,660,623.49 = 5,680,629.15/x - Step 3: Cross multiply
13,772,067.49x = 20,660,623.49 × 5,680,629.15 - Step 4: Simplify right side
13,772,067.49x = 117,365,340,054,468.73 - Step 5: Solve for x
x = 117,365,340,054,468.73/13,772,067.49 - Step 6: Final answer
x = 8,521,984.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.