Finding the Fourth Proportional to 7,320,043.68, 10,981,447.24 and 2,772,454.24
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Solution
The fourth proportional to 7,320,043.68, 10,981,447.24 and 2,772,454.24 is: 4,159,204.68
Step by Step Solution
- Step 1: Write the proportion equation
7,320,043.68 : 10,981,447.24 = 2,772,454.24 : x - Step 2: Convert to fraction form
7,320,043.68/10,981,447.24 = 2,772,454.24/x - Step 3: Cross multiply
7,320,043.68x = 10,981,447.24 × 2,772,454.24 - Step 4: Simplify right side
7,320,043.68x = 30,445,559,961,874.30 - Step 5: Solve for x
x = 30,445,559,961,874.30/7,320,043.68 - Step 6: Final answer
x = 4,159,204.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.