Finding the Fourth Proportional to 11,997,400.30, 18,006,193.46 and 11,240,718.80
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Solution
The fourth proportional to 11,997,400.30, 18,006,193.46 and 11,240,718.80 is: 16,870,534.65
Step by Step Solution
- Step 1: Write the proportion equation
11,997,400.30 : 18,006,193.46 = 11,240,718.80 : x - Step 2: Convert to fraction form
11,997,400.30/18,006,193.46 = 11,240,718.80/x - Step 3: Cross multiply
11,997,400.30x = 18,006,193.46 × 11,240,718.80 - Step 4: Simplify right side
11,997,400.30x = 202,402,557,415,376.31 - Step 5: Solve for x
x = 202,402,557,415,376.31/11,997,400.30 - Step 6: Final answer
x = 16,870,534.65
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1.5x scale
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.