Finding the Fourth Proportional to 29,138,509.85, 40,211,468.97 and 16,085,775.38
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Solution
The fourth proportional to 29,138,509.85, 40,211,468.97 and 16,085,775.38 is: 22,198,549.65
Step by Step Solution
- Step 1: Write the proportion equation
29,138,509.85 : 40,211,468.97 = 16,085,775.38 : x - Step 2: Convert to fraction form
29,138,509.85/40,211,468.97 = 16,085,775.38/x - Step 3: Cross multiply
29,138,509.85x = 40,211,468.97 × 16,085,775.38 - Step 4: Simplify right side
29,138,509.85x = 646,832,657,551,260 - Step 5: Solve for x
x = 646,832,657,551,260/29,138,509.85 - Step 6: Final answer
x = 22,198,549.65
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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.