Finding the Fourth Proportional to 17,262,916.68, 25,886,112.90 and 8,157,415.08
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Solution
The fourth proportional to 17,262,916.68, 25,886,112.90 and 8,157,415.08 is: 12,232,218.44
Step by Step Solution
- Step 1: Write the proportion equation
17,262,916.68 : 25,886,112.90 = 8,157,415.08 : x - Step 2: Convert to fraction form
17,262,916.68/25,886,112.90 = 8,157,415.08/x - Step 3: Cross multiply
17,262,916.68x = 25,886,112.90 × 8,157,415.08 - Step 4: Simplify right side
17,262,916.68x = 211,163,767,733,042.53 - Step 5: Solve for x
x = 211,163,767,733,042.53/17,262,916.68 - Step 6: Final answer
x = 12,232,218.44
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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.