Finding the Fourth Proportional to 13,327,520.62, 19,991,280.91 and 3,230,141.62
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Solution
The fourth proportional to 13,327,520.62, 19,991,280.91 and 3,230,141.62 is: 4,845,212.42
Step by Step Solution
- Step 1: Write the proportion equation
13,327,520.62 : 19,991,280.91 = 3,230,141.62 : x - Step 2: Convert to fraction form
13,327,520.62/19,991,280.91 = 3,230,141.62/x - Step 3: Cross multiply
13,327,520.62x = 19,991,280.91 × 3,230,141.62 - Step 4: Simplify right side
13,327,520.62x = 64,574,668,404,546.08 - Step 5: Solve for x
x = 64,574,668,404,546.08/13,327,520.62 - Step 6: Final answer
x = 4,845,212.42
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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.