Finding the Fourth Proportional to 13,741,741.48, 18,970,965.58 and 10,595,132.70
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Solution
The fourth proportional to 13,741,741.48, 18,970,965.58 and 10,595,132.70 is: 14,626,959.62
Step by Step Solution
- Step 1: Write the proportion equation
13,741,741.48 : 18,970,965.58 = 10,595,132.70 : x - Step 2: Convert to fraction form
13,741,741.48/18,970,965.58 = 10,595,132.70/x - Step 3: Cross multiply
13,741,741.48x = 18,970,965.58 × 10,595,132.70 - Step 4: Simplify right side
13,741,741.48x = 200,999,897,767,232.44 - Step 5: Solve for x
x = 200,999,897,767,232.44/13,741,741.48 - Step 6: Final answer
x = 14,626,959.62
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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.