Finding the Fourth Proportional to 34,980,822.72, 48,273,619.68 and 19,511,909.28
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Solution
The fourth proportional to 34,980,822.72, 48,273,619.68 and 19,511,909.28 is: 26,926,481.84
Step by Step Solution
- Step 1: Write the proportion equation
34,980,822.72 : 48,273,619.68 = 19,511,909.28 : x - Step 2: Convert to fraction form
34,980,822.72/48,273,619.68 = 19,511,909.28/x - Step 3: Cross multiply
34,980,822.72x = 48,273,619.68 × 19,511,909.28 - Step 4: Simplify right side
34,980,822.72x = 941,910,487,813,382.62 - Step 5: Solve for x
x = 941,910,487,813,382.62/34,980,822.72 - Step 6: Final answer
x = 26,926,481.84
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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.