Finding the Fourth Proportional to 30,716,979.42, 46,057,643.46 and 14,542,794.12
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Solution
The fourth proportional to 30,716,979.42, 46,057,643.46 and 14,542,794.12 is: 21,805,751.71
Step by Step Solution
- Step 1: Write the proportion equation
30,716,979.42 : 46,057,643.46 = 14,542,794.12 : x - Step 2: Convert to fraction form
30,716,979.42/46,057,643.46 = 14,542,794.12/x - Step 3: Cross multiply
30,716,979.42x = 46,057,643.46 × 14,542,794.12 - Step 4: Simplify right side
30,716,979.42x = 669,806,826,491,144.38 - Step 5: Solve for x
x = 669,806,826,491,144.38/30,716,979.42 - Step 6: Final answer
x = 21,805,751.71
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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.