Finding the Fourth Proportional to 7,138,950.24, 9,847,264.32 and 4,236,286.08
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Solution
The fourth proportional to 7,138,950.24, 9,847,264.32 and 4,236,286.08 is: 5,843,412.18
Step by Step Solution
- Step 1: Write the proportion equation
7,138,950.24 : 9,847,264.32 = 4,236,286.08 : x - Step 2: Convert to fraction form
7,138,950.24/9,847,264.32 = 4,236,286.08/x - Step 3: Cross multiply
7,138,950.24x = 9,847,264.32 × 4,236,286.08 - Step 4: Simplify right side
7,138,950.24x = 41,715,828,764,896.66 - Step 5: Solve for x
x = 41,715,828,764,896.66/7,138,950.24 - Step 6: Final answer
x = 5,843,412.18
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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.