Finding the Fourth Proportional to 8,721,678.84, 13,082,878.97 and 2,573,660.56
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Solution
The fourth proportional to 8,721,678.84, 13,082,878.97 and 2,573,660.56 is: 3,860,597.28
Step by Step Solution
- Step 1: Write the proportion equation
8,721,678.84 : 13,082,878.97 = 2,573,660.56 : x - Step 2: Convert to fraction form
8,721,678.84/13,082,878.97 = 2,573,660.56/x - Step 3: Cross multiply
8,721,678.84x = 13,082,878.97 × 2,573,660.56 - Step 4: Simplify right side
8,721,678.84x = 33,670,889,616,342.43 - Step 5: Solve for x
x = 33,670,889,616,342.43/8,721,678.84 - Step 6: Final answer
x = 3,860,597.28
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1.5x scale
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.