Finding the Fourth Proportional to 12,121,593.67, 16,731,297.27 and 7,164,626.95
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Solution
The fourth proportional to 12,121,593.67, 16,731,297.27 and 7,164,626.95 is: 9,889,252.73
Step by Step Solution
- Step 1: Write the proportion equation
12,121,593.67 : 16,731,297.27 = 7,164,626.95 : x - Step 2: Convert to fraction form
12,121,593.67/16,731,297.27 = 7,164,626.95/x - Step 3: Cross multiply
12,121,593.67x = 16,731,297.27 × 7,164,626.95 - Step 4: Simplify right side
12,121,593.67x = 119,873,503,329,103.42 - Step 5: Solve for x
x = 119,873,503,329,103.42/12,121,593.67 - Step 6: Final answer
x = 9,889,252.73
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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.