Finding the Fourth Proportional to 18,343,636.12, 25,314,299.64 and 10,084,230.45
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Solution
The fourth proportional to 18,343,636.12, 25,314,299.64 and 10,084,230.45 is: 13,916,282.99
Step by Step Solution
- Step 1: Write the proportion equation
18,343,636.12 : 25,314,299.64 = 10,084,230.45 : x - Step 2: Convert to fraction form
18,343,636.12/25,314,299.64 = 10,084,230.45/x - Step 3: Cross multiply
18,343,636.12x = 25,314,299.64 × 10,084,230.45 - Step 4: Simplify right side
18,343,636.12x = 255,275,231,250,112.03 - Step 5: Solve for x
x = 255,275,231,250,112.03/18,343,636.12 - Step 6: Final answer
x = 13,916,282.99
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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.