Finding the Fourth Proportional to 10,336,309.19, 15,503,280.74 and 2,763,865.43
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Solution
The fourth proportional to 10,336,309.19, 15,503,280.74 and 2,763,865.43 is: 4,145,481.80
Step by Step Solution
- Step 1: Write the proportion equation
10,336,309.19 : 15,503,280.74 = 2,763,865.43 : x - Step 2: Convert to fraction form
10,336,309.19/15,503,280.74 = 2,763,865.43/x - Step 3: Cross multiply
10,336,309.19x = 15,503,280.74 × 2,763,865.43 - Step 4: Simplify right side
10,336,309.19x = 42,848,981,597,535.09 - Step 5: Solve for x
x = 42,848,981,597,535.09/10,336,309.19 - Step 6: Final answer
x = 4,145,481.80
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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.