Finding the Fourth Proportional to 30,042,511.08, 41,458,676.28 and 16,291,471.56
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Solution
The fourth proportional to 30,042,511.08, 41,458,676.28 and 16,291,471.56 is: 22,482,236.71
Step by Step Solution
- Step 1: Write the proportion equation
30,042,511.08 : 41,458,676.28 = 16,291,471.56 : x - Step 2: Convert to fraction form
30,042,511.08/41,458,676.28 = 16,291,471.56/x - Step 3: Cross multiply
30,042,511.08x = 41,458,676.28 × 16,291,471.56 - Step 4: Simplify right side
30,042,511.08x = 675,422,845,530,866.62 - Step 5: Solve for x
x = 675,422,845,530,866.62/30,042,511.08 - Step 6: Final answer
x = 22,482,236.71
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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.