Finding the Fourth Proportional to 7,432,812.60, 11,146,454.10 and 2,944,159.80
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Solution
The fourth proportional to 7,432,812.60, 11,146,454.10 and 2,944,159.80 is: 4,415,144.55
Step by Step Solution
- Step 1: Write the proportion equation
7,432,812.60 : 11,146,454.10 = 2,944,159.80 : x - Step 2: Convert to fraction form
7,432,812.60/11,146,454.10 = 2,944,159.80/x - Step 3: Cross multiply
7,432,812.60x = 11,146,454.10 × 2,944,159.80 - Step 4: Simplify right side
7,432,812.60x = 32,816,942,073,765.18 - Step 5: Solve for x
x = 32,816,942,073,765.18/7,432,812.60 - Step 6: Final answer
x = 4,415,144.55
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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.