Finding the Fourth Proportional to 13,363,683.92, 18,441,883.12 and 7,252,112.44
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Solution
The fourth proportional to 13,363,683.92, 18,441,883.12 and 7,252,112.44 is: 10,007,914.79
Step by Step Solution
- Step 1: Write the proportion equation
13,363,683.92 : 18,441,883.12 = 7,252,112.44 : x - Step 2: Convert to fraction form
13,363,683.92/18,441,883.12 = 7,252,112.44/x - Step 3: Cross multiply
13,363,683.92x = 18,441,883.12 × 7,252,112.44 - Step 4: Simplify right side
13,363,683.92x = 133,742,609,991,578.03 - Step 5: Solve for x
x = 133,742,609,991,578.03/13,363,683.92 - Step 6: Final answer
x = 10,007,914.79
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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.