Finding the Fourth Proportional to 18,586,235.50, 27,869,780.66 and 8,342,313.42
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Solution
The fourth proportional to 18,586,235.50, 27,869,780.66 and 8,342,313.42 is: 12,509,173.53
Step by Step Solution
- Step 1: Write the proportion equation
18,586,235.50 : 27,869,780.66 = 8,342,313.42 : x - Step 2: Convert to fraction form
18,586,235.50/27,869,780.66 = 8,342,313.42/x - Step 3: Cross multiply
18,586,235.50x = 27,869,780.66 × 8,342,313.42 - Step 4: Simplify right side
18,586,235.50x = 232,498,445,212,374.47 - Step 5: Solve for x
x = 232,498,445,212,374.47/18,586,235.50 - Step 6: Final answer
x = 12,509,173.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.