Finding the Fourth Proportional to 13,081,329.98, 18,052,059.16 and 7,280,110.18
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Solution
The fourth proportional to 13,081,329.98, 18,052,059.16 and 7,280,110.18 is: 10,046,453.98
Step by Step Solution
- Step 1: Write the proportion equation
13,081,329.98 : 18,052,059.16 = 7,280,110.18 : x - Step 2: Convert to fraction form
13,081,329.98/18,052,059.16 = 7,280,110.18/x - Step 3: Cross multiply
13,081,329.98x = 18,052,059.16 × 7,280,110.18 - Step 4: Simplify right side
13,081,329.98x = 131,420,979,660,678.25 - Step 5: Solve for x
x = 131,420,979,660,678.25/13,081,329.98 - Step 6: Final answer
x = 10,046,453.98
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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.