Finding the Fourth Proportional to 29,515,198.70, 40,731,115.68 and 16,284,374.95
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Solution
The fourth proportional to 29,515,198.70, 40,731,115.68 and 16,284,374.95 is: 22,472,515.49
Step by Step Solution
- Step 1: Write the proportion equation
29,515,198.70 : 40,731,115.68 = 16,284,374.95 : x - Step 2: Convert to fraction form
29,515,198.70/40,731,115.68 = 16,284,374.95/x - Step 3: Cross multiply
29,515,198.70x = 40,731,115.68 × 16,284,374.95 - Step 4: Simplify right side
29,515,198.70x = 663,280,759,864,944.12 - Step 5: Solve for x
x = 663,280,759,864,944.12/29,515,198.70 - Step 6: Final answer
x = 22,472,515.49
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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.