Finding the Fourth Proportional to 24,012,249.09, 33,136,896.75 and 12,998,990.63
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Solution
The fourth proportional to 24,012,249.09, 33,136,896.75 and 12,998,990.63 is: 17,938,603.28
Step by Step Solution
- Step 1: Write the proportion equation
24,012,249.09 : 33,136,896.75 = 12,998,990.63 : x - Step 2: Convert to fraction form
24,012,249.09/33,136,896.75 = 12,998,990.63/x - Step 3: Cross multiply
24,012,249.09x = 33,136,896.75 × 12,998,990.63 - Step 4: Simplify right side
24,012,249.09x = 430,746,210,194,843 - Step 5: Solve for x
x = 430,746,210,194,843/24,012,249.09 - Step 6: Final answer
x = 17,938,603.28
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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.