Finding the Fourth Proportional to 29,672,140.73, 40,967,549.01 and 18,525,621.38
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Solution
The fourth proportional to 29,672,140.73, 40,967,549.01 and 18,525,621.38 is: 25,577,841.14
Step by Step Solution
- Step 1: Write the proportion equation
29,672,140.73 : 40,967,549.01 = 18,525,621.38 : x - Step 2: Convert to fraction form
29,672,140.73/40,967,549.01 = 18,525,621.38/x - Step 3: Cross multiply
29,672,140.73x = 40,967,549.01 × 18,525,621.38 - Step 4: Simplify right side
29,672,140.73x = 758,949,301,621,016 - Step 5: Solve for x
x = 758,949,301,621,016/29,672,140.73 - Step 6: Final answer
x = 25,577,841.14
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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.