Finding the Fourth Proportional to 12,627,040.08, 17,413,694.47 and 8,274,545.58
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Solution
The fourth proportional to 12,627,040.08, 17,413,694.47 and 8,274,545.58 is: 11,411,257.72
Step by Step Solution
- Step 1: Write the proportion equation
12,627,040.08 : 17,413,694.47 = 8,274,545.58 : x - Step 2: Convert to fraction form
12,627,040.08/17,413,694.47 = 8,274,545.58/x - Step 3: Cross multiply
12,627,040.08x = 17,413,694.47 × 8,274,545.58 - Step 4: Simplify right side
12,627,040.08x = 144,090,408,566,836.22 - Step 5: Solve for x
x = 144,090,408,566,836.22/12,627,040.08 - Step 6: Final answer
x = 11,411,257.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.