Finding the Fourth Proportional to 8,158,407.94, 12,239,006.09 and 3,363,476.05
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Solution
The fourth proportional to 8,158,407.94, 12,239,006.09 and 3,363,476.05 is: 5,045,788.86
Step by Step Solution
- Step 1: Write the proportion equation
8,158,407.94 : 12,239,006.09 = 3,363,476.05 : x - Step 2: Convert to fraction form
8,158,407.94/12,239,006.09 = 3,363,476.05/x - Step 3: Cross multiply
8,158,407.94x = 12,239,006.09 × 3,363,476.05 - Step 4: Simplify right side
8,158,407.94x = 41,165,603,859,519.14 - Step 5: Solve for x
x = 41,165,603,859,519.14/8,158,407.94 - Step 6: Final answer
x = 5,045,788.86
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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.