Finding the Fourth Proportional to 18,081,112.50, 24,952,135.98 and 10,640,419.08
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Solution
The fourth proportional to 18,081,112.50, 24,952,135.98 and 10,640,419.08 is: 14,683,896.46
Step by Step Solution
- Step 1: Write the proportion equation
18,081,112.50 : 24,952,135.98 = 10,640,419.08 : x - Step 2: Convert to fraction form
18,081,112.50/24,952,135.98 = 10,640,419.08/x - Step 3: Cross multiply
18,081,112.50x = 24,952,135.98 × 10,640,419.08 - Step 4: Simplify right side
18,081,112.50x = 265,501,183,768,346.50 - Step 5: Solve for x
x = 265,501,183,768,346.50/18,081,112.50 - Step 6: Final answer
x = 14,683,896.46
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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.