Finding the Fourth Proportional to 27,706,059.18, 38,234,413.53 and 15,482,916.18
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Solution
The fourth proportional to 27,706,059.18, 38,234,413.53 and 15,482,916.18 is: 21,366,453.31
Step by Step Solution
- Step 1: Write the proportion equation
27,706,059.18 : 38,234,413.53 = 15,482,916.18 : x - Step 2: Convert to fraction form
27,706,059.18/38,234,413.53 = 15,482,916.18/x - Step 3: Cross multiply
27,706,059.18x = 38,234,413.53 × 15,482,916.18 - Step 4: Simplify right side
27,706,059.18x = 591,980,219,876,447.88 - Step 5: Solve for x
x = 591,980,219,876,447.88/27,706,059.18 - Step 6: Final answer
x = 21,366,453.31
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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.