Finding the Fourth Proportional to 10,365,725.40, 14,304,603.42 and 5,719,552.44
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Solution
The fourth proportional to 10,365,725.40, 14,304,603.42 and 5,719,552.44 is: 7,892,928.50
Step by Step Solution
- Step 1: Write the proportion equation
10,365,725.40 : 14,304,603.42 = 5,719,552.44 : x - Step 2: Convert to fraction form
10,365,725.40/14,304,603.42 = 5,719,552.44/x - Step 3: Cross multiply
10,365,725.40x = 14,304,603.42 × 5,719,552.44 - Step 4: Simplify right side
10,365,725.40x = 81,815,929,394,093.34 - Step 5: Solve for x
x = 81,815,929,394,093.34/10,365,725.40 - Step 6: Final answer
x = 7,892,928.50
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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.