Finding the Fourth Proportional to 29,052,140.40, 40,077,243.99 and 18,045,406.80
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Solution
The fourth proportional to 29,052,140.40, 40,077,243.99 and 18,045,406.80 is: 24,893,524.58
Step by Step Solution
- Step 1: Write the proportion equation
29,052,140.40 : 40,077,243.99 = 18,045,406.80 : x - Step 2: Convert to fraction form
29,052,140.40/40,077,243.99 = 18,045,406.80/x - Step 3: Cross multiply
29,052,140.40x = 40,077,243.99 × 18,045,406.80 - Step 4: Simplify right side
29,052,140.40x = 723,210,171,222,405.25 - Step 5: Solve for x
x = 723,210,171,222,405.25/29,052,140.40 - Step 6: Final answer
x = 24,893,524.58
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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.