Finding the Fourth Proportional to 11,838,314.70, 17,773,808.99 and 8,186,084.82
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Solution
The fourth proportional to 11,838,314.70, 17,773,808.99 and 8,186,084.82 is: 12,290,424.07
Step by Step Solution
- Step 1: Write the proportion equation
11,838,314.70 : 17,773,808.99 = 8,186,084.82 : x - Step 2: Convert to fraction form
11,838,314.70/17,773,808.99 = 8,186,084.82/x - Step 3: Cross multiply
11,838,314.70x = 17,773,808.99 × 8,186,084.82 - Step 4: Simplify right side
11,838,314.70x = 145,497,907,925,688.09 - Step 5: Solve for x
x = 145,497,907,925,688.09/11,838,314.70 - Step 6: Final answer
x = 12,290,424.07
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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.