Finding the Fourth Proportional to 11,997,400.17, 18,006,193.27 and 11,240,718.68
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Solution
The fourth proportional to 11,997,400.17, 18,006,193.27 and 11,240,718.68 is: 16,870,534.46
Step by Step Solution
- Step 1: Write the proportion equation
11,997,400.17 : 18,006,193.27 = 11,240,718.68 : x - Step 2: Convert to fraction form
11,997,400.17/18,006,193.27 = 11,240,718.68/x - Step 3: Cross multiply
11,997,400.17x = 18,006,193.27 × 11,240,718.68 - Step 4: Simplify right side
11,997,400.17x = 202,402,553,020,408.75 - Step 5: Solve for x
x = 202,402,553,020,408.75/11,997,400.17 - Step 6: Final answer
x = 16,870,534.46
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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.