Finding the Fourth Proportional to 12,190,361.84, 16,822,609.98 and 6,683,645.93
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Solution
The fourth proportional to 12,190,361.84, 16,822,609.98 and 6,683,645.93 is: 9,223,382.39
Step by Step Solution
- Step 1: Write the proportion equation
12,190,361.84 : 16,822,609.98 = 6,683,645.93 : x - Step 2: Convert to fraction form
12,190,361.84/16,822,609.98 = 6,683,645.93/x - Step 3: Cross multiply
12,190,361.84x = 16,822,609.98 × 6,683,645.93 - Step 4: Simplify right side
12,190,361.84x = 112,436,368,724,804.38 - Step 5: Solve for x
x = 112,436,368,724,804.38/12,190,361.84 - Step 6: Final answer
x = 9,223,382.39
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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.