Finding the Fourth Proportional to 7,663,115.10, 11,493,926.28 and 3,114,436.62
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Solution
The fourth proportional to 7,663,115.10, 11,493,926.28 and 3,114,436.62 is: 4,671,351.59
Step by Step Solution
- Step 1: Write the proportion equation
7,663,115.10 : 11,493,926.28 = 3,114,436.62 : x - Step 2: Convert to fraction form
7,663,115.10/11,493,926.28 = 3,114,436.62/x - Step 3: Cross multiply
7,663,115.10x = 11,493,926.28 × 3,114,436.62 - Step 4: Simplify right side
7,663,115.10x = 35,797,104,914,012.38 - Step 5: Solve for x
x = 35,797,104,914,012.38/7,663,115.10 - Step 6: Final answer
x = 4,671,351.59
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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.