Finding the Fourth Proportional to 7,731,748.26, 10,669,837.47 and 4,293,989.28
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Solution
The fourth proportional to 7,731,748.26, 10,669,837.47 and 4,293,989.28 is: 5,925,719.02
Step by Step Solution
- Step 1: Write the proportion equation
7,731,748.26 : 10,669,837.47 = 4,293,989.28 : x - Step 2: Convert to fraction form
7,731,748.26/10,669,837.47 = 4,293,989.28/x - Step 3: Cross multiply
7,731,748.26x = 10,669,837.47 × 4,293,989.28 - Step 4: Simplify right side
7,731,748.26x = 45,816,167,715,522.33 - Step 5: Solve for x
x = 45,816,167,715,522.33/7,731,748.26 - Step 6: Final answer
x = 5,925,719.02
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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.