Finding the Fourth Proportional to 9,214,382.26, 12,718,376.78 and 5,348,148.99
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Solution
The fourth proportional to 9,214,382.26, 12,718,376.78 and 5,348,148.99 is: 7,381,913.62
Step by Step Solution
- Step 1: Write the proportion equation
9,214,382.26 : 12,718,376.78 = 5,348,148.99 : x - Step 2: Convert to fraction form
9,214,382.26/12,718,376.78 = 5,348,148.99/x - Step 3: Cross multiply
9,214,382.26x = 12,718,376.78 × 5,348,148.99 - Step 4: Simplify right side
9,214,382.26x = 68,019,773,866,804.57 - Step 5: Solve for x
x = 68,019,773,866,804.57/9,214,382.26 - Step 6: Final answer
x = 7,381,913.62
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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.