Finding the Fourth Proportional to 18,232,799.72, 27,341,227.74 and 8,650,916.84
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Solution
The fourth proportional to 18,232,799.72, 27,341,227.74 and 8,650,916.84 is: 12,972,592.86
Step by Step Solution
- Step 1: Write the proportion equation
18,232,799.72 : 27,341,227.74 = 8,650,916.84 : x - Step 2: Convert to fraction form
18,232,799.72/27,341,227.74 = 8,650,916.84/x - Step 3: Cross multiply
18,232,799.72x = 27,341,227.74 × 8,650,916.84 - Step 4: Simplify right side
18,232,799.72x = 236,526,687,482,241.12 - Step 5: Solve for x
x = 236,526,687,482,241.12/18,232,799.72 - Step 6: Final answer
x = 12,972,592.86
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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.