Finding the Fourth Proportional to 29,139,436.30, 40,211,368.76 and 16,086,415.49
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Solution
The fourth proportional to 29,139,436.30, 40,211,368.76 and 16,086,415.49 is: 22,198,671.88
Step by Step Solution
- Step 1: Write the proportion equation
29,139,436.30 : 40,211,368.76 = 16,086,415.49 : x - Step 2: Convert to fraction form
29,139,436.30/40,211,368.76 = 16,086,415.49/x - Step 3: Cross multiply
29,139,436.30x = 40,211,368.76 × 16,086,415.49 - Step 4: Simplify right side
29,139,436.30x = 646,856,785,214,534.12 - Step 5: Solve for x
x = 646,856,785,214,534.12/29,139,436.30 - Step 6: Final answer
x = 22,198,671.88
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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.