Finding the Fourth Proportional to 14,752,387.84, 20,358,546.06 and 8,137,735.60
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Solution
The fourth proportional to 14,752,387.84, 20,358,546.06 and 8,137,735.60 is: 11,230,213.50
Step by Step Solution
- Step 1: Write the proportion equation
14,752,387.84 : 20,358,546.06 = 8,137,735.60 : x - Step 2: Convert to fraction form
14,752,387.84/20,358,546.06 = 8,137,735.60/x - Step 3: Cross multiply
14,752,387.84x = 20,358,546.06 × 8,137,735.60 - Step 4: Simplify right side
14,752,387.84x = 165,672,465,036,701.72 - Step 5: Solve for x
x = 165,672,465,036,701.72/14,752,387.84 - Step 6: Final answer
x = 11,230,213.50
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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.