Finding the Fourth Proportional to 15,522,039.62, 21,265,290.75 and 14,940,231.98
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Solution
The fourth proportional to 15,522,039.62, 21,265,290.75 and 14,940,231.98 is: 20,468,210.67
Step by Step Solution
- Step 1: Write the proportion equation
15,522,039.62 : 21,265,290.75 = 14,940,231.98 : x - Step 2: Convert to fraction form
15,522,039.62/21,265,290.75 = 14,940,231.98/x - Step 3: Cross multiply
15,522,039.62x = 21,265,290.75 × 14,940,231.98 - Step 4: Simplify right side
15,522,039.62x = 317,708,376,927,148.19 - Step 5: Solve for x
x = 317,708,376,927,148.19/15,522,039.62 - Step 6: Final answer
x = 20,468,210.67
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.