Finding the Fourth Proportional to 21,378,007.10, 32,067,010.65 and 6,232,432.70
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Solution
The fourth proportional to 21,378,007.10, 32,067,010.65 and 6,232,432.70 is: 9,348,649.05
Step by Step Solution
- Step 1: Write the proportion equation
21,378,007.10 : 32,067,010.65 = 6,232,432.70 : x - Step 2: Convert to fraction form
21,378,007.10/32,067,010.65 = 6,232,432.70/x - Step 3: Cross multiply
21,378,007.10x = 32,067,010.65 × 6,232,432.70 - Step 4: Simplify right side
21,378,007.10x = 199,855,485,766,308.25 - Step 5: Solve for x
x = 199,855,485,766,308.25/21,378,007.10 - Step 6: Final answer
x = 9,348,649.05
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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.