Finding the Fourth Proportional to 11,902,316.40, 16,205,458.08 and 11,864,525.04
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Solution
The fourth proportional to 11,902,316.40, 16,205,458.08 and 11,864,525.04 is: 16,154,003.70
Step by Step Solution
- Step 1: Write the proportion equation
11,902,316.40 : 16,205,458.08 = 11,864,525.04 : x - Step 2: Convert to fraction form
11,902,316.40/16,205,458.08 = 11,864,525.04/x - Step 3: Cross multiply
11,902,316.40x = 16,205,458.08 × 11,864,525.04 - Step 4: Simplify right side
11,902,316.40x = 192,270,063,174,830.31 - Step 5: Solve for x
x = 192,270,063,174,830.31/11,902,316.40 - Step 6: Final answer
x = 16,154,003.70
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.