Finding the Fourth Proportional to 18,785,151.36, 28,158,062.49 and 7,861,599.96
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Solution
The fourth proportional to 18,785,151.36, 28,158,062.49 and 7,861,599.96 is: 11,784,170.32
Step by Step Solution
- Step 1: Write the proportion equation
18,785,151.36 : 28,158,062.49 = 7,861,599.96 : x - Step 2: Convert to fraction form
18,785,151.36/28,158,062.49 = 7,861,599.96/x - Step 3: Cross multiply
18,785,151.36x = 28,158,062.49 × 7,861,599.96 - Step 4: Simplify right side
18,785,151.36x = 221,367,423,115,750.03 - Step 5: Solve for x
x = 221,367,423,115,750.03/18,785,151.36 - Step 6: Final answer
x = 11,784,170.32
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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.