Finding the Fourth Proportional to 9,993,816.63, 13,791,511.68 and 5,410,137.99
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Solution
The fourth proportional to 9,993,816.63, 13,791,511.68 and 5,410,137.99 is: 7,466,014.64
Step by Step Solution
- Step 1: Write the proportion equation
9,993,816.63 : 13,791,511.68 = 5,410,137.99 : x - Step 2: Convert to fraction form
9,993,816.63/13,791,511.68 = 5,410,137.99/x - Step 3: Cross multiply
9,993,816.63x = 13,791,511.68 × 5,410,137.99 - Step 4: Simplify right side
9,993,816.63x = 74,613,981,279,496.72 - Step 5: Solve for x
x = 74,613,981,279,496.72/9,993,816.63 - Step 6: Final answer
x = 7,466,014.64
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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.