Finding the Fourth Proportional to 18,641,969.99, 25,726,716.74 and 10,382,032.23
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Solution
The fourth proportional to 18,641,969.99, 25,726,716.74 and 10,382,032.23 is: 14,327,648.98
Step by Step Solution
- Step 1: Write the proportion equation
18,641,969.99 : 25,726,716.74 = 10,382,032.23 : x - Step 2: Convert to fraction form
18,641,969.99/25,726,716.74 = 10,382,032.23/x - Step 3: Cross multiply
18,641,969.99x = 25,726,716.74 × 10,382,032.23 - Step 4: Simplify right side
18,641,969.99x = 267,095,602,366,760.53 - Step 5: Solve for x
x = 267,095,602,366,760.53/18,641,969.99 - Step 6: Final answer
x = 14,327,648.98
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1.5x scale
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.