Finding the Fourth Proportional to 18,413,488.92, 27,621,340.44 and 5,634,104.28
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Solution
The fourth proportional to 18,413,488.92, 27,621,340.44 and 5,634,104.28 is: 8,451,495.15
Step by Step Solution
- Step 1: Write the proportion equation
18,413,488.92 : 27,621,340.44 = 5,634,104.28 : x - Step 2: Convert to fraction form
18,413,488.92/27,621,340.44 = 5,634,104.28/x - Step 3: Cross multiply
18,413,488.92x = 27,621,340.44 × 5,634,104.28 - Step 4: Simplify right side
18,413,488.92x = 155,621,512,392,341.09 - Step 5: Solve for x
x = 155,621,512,392,341.09/18,413,488.92 - Step 6: Final answer
x = 8,451,495.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.