Finding the Fourth Proportional to 10,640,145.63, 15,962,462.75 and 3,451,121.19
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Solution
The fourth proportional to 10,640,145.63, 15,962,462.75 and 3,451,121.19 is: 5,177,409.72
Step by Step Solution
- Step 1: Write the proportion equation
10,640,145.63 : 15,962,462.75 = 3,451,121.19 : x - Step 2: Convert to fraction form
10,640,145.63/15,962,462.75 = 3,451,121.19/x - Step 3: Cross multiply
10,640,145.63x = 15,962,462.75 × 3,451,121.19 - Step 4: Simplify right side
10,640,145.63x = 55,088,393,423,855.06 - Step 5: Solve for x
x = 55,088,393,423,855.06/10,640,145.63 - Step 6: Final answer
x = 5,177,409.72
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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.