Finding the Fourth Proportional to 18,586,234.49, 27,869,779.16 and 8,342,312.42
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Solution
The fourth proportional to 18,586,234.49, 27,869,779.16 and 8,342,312.42 is: 12,509,172.04
Step by Step Solution
- Step 1: Write the proportion equation
18,586,234.49 : 27,869,779.16 = 8,342,312.42 : x - Step 2: Convert to fraction form
18,586,234.49/27,869,779.16 = 8,342,312.42/x - Step 3: Cross multiply
18,586,234.49x = 27,869,779.16 × 8,342,312.42 - Step 4: Simplify right side
18,586,234.49x = 232,498,404,829,125.16 - Step 5: Solve for x
x = 232,498,404,829,125.16/18,586,234.49 - Step 6: Final answer
x = 12,509,172.04
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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.