Finding the Fourth Proportional to 27,276,085.46, 37,641,877.36 and 15,515,050.08
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Solution
The fourth proportional to 27,276,085.46, 37,641,877.36 and 15,515,050.08 is: 21,411,269.34
Step by Step Solution
- Step 1: Write the proportion equation
27,276,085.46 : 37,641,877.36 = 15,515,050.08 : x - Step 2: Convert to fraction form
27,276,085.46/37,641,877.36 = 15,515,050.08/x - Step 3: Cross multiply
27,276,085.46x = 37,641,877.36 × 15,515,050.08 - Step 4: Simplify right side
27,276,085.46x = 584,015,612,345,618.12 - Step 5: Solve for x
x = 584,015,612,345,618.12/27,276,085.46 - Step 6: Final answer
x = 21,411,269.34
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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.