Finding the Fourth Proportional to 7,799,926.68, 11,703,970.08 and 3,192,333.12
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Solution
The fourth proportional to 7,799,926.68, 11,703,970.08 and 3,192,333.12 is: 4,790,169.56
Step by Step Solution
- Step 1: Write the proportion equation
7,799,926.68 : 11,703,970.08 = 3,192,333.12 : x - Step 2: Convert to fraction form
7,799,926.68/11,703,970.08 = 3,192,333.12/x - Step 3: Cross multiply
7,799,926.68x = 11,703,970.08 × 3,192,333.12 - Step 4: Simplify right side
7,799,926.68x = 37,362,971,321,873.05 - Step 5: Solve for x
x = 37,362,971,321,873.05/7,799,926.68 - Step 6: Final answer
x = 4,790,169.56
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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.