Finding the Fourth Proportional to 11,190,651.18, 16,785,975.76 and 3,103,626.68
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Solution
The fourth proportional to 11,190,651.18, 16,785,975.76 and 3,103,626.68 is: 4,655,439.74
Step by Step Solution
- Step 1: Write the proportion equation
11,190,651.18 : 16,785,975.76 = 3,103,626.68 : x - Step 2: Convert to fraction form
11,190,651.18/16,785,975.76 = 3,103,626.68/x - Step 3: Cross multiply
11,190,651.18x = 16,785,975.76 × 3,103,626.68 - Step 4: Simplify right side
11,190,651.18x = 52,097,402,218,569.28 - Step 5: Solve for x
x = 52,097,402,218,569.28/11,190,651.18 - Step 6: Final answer
x = 4,655,439.74
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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.