Finding the Fourth Proportional to 19,193,583.05, 28,790,374.67 and 6,414,087.77
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Solution
The fourth proportional to 19,193,583.05, 28,790,374.67 and 6,414,087.77 is: 9,621,131.68
Step by Step Solution
- Step 1: Write the proportion equation
19,193,583.05 : 28,790,374.67 = 6,414,087.77 : x - Step 2: Convert to fraction form
19,193,583.05/28,790,374.67 = 6,414,087.77/x - Step 3: Cross multiply
19,193,583.05x = 28,790,374.67 × 6,414,087.77 - Step 4: Simplify right side
19,193,583.05x = 184,663,989,888,542.47 - Step 5: Solve for x
x = 184,663,989,888,542.47/19,193,583.05 - Step 6: Final answer
x = 9,621,131.68
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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.