Finding the Fourth Proportional to 18,144,599.58, 27,207,449.73 and 8,557,403.94
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Solution
The fourth proportional to 18,144,599.58, 27,207,449.73 and 8,557,403.94 is: 12,831,649.25
Step by Step Solution
- Step 1: Write the proportion equation
18,144,599.58 : 27,207,449.73 = 8,557,403.94 : x - Step 2: Convert to fraction form
18,144,599.58/27,207,449.73 = 8,557,403.94/x - Step 3: Cross multiply
18,144,599.58x = 27,207,449.73 × 8,557,403.94 - Step 4: Simplify right side
18,144,599.58x = 232,825,137,516,853.94 - Step 5: Solve for x
x = 232,825,137,516,853.94/18,144,599.58 - Step 6: Final answer
x = 12,831,649.25
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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.