Finding the Fourth Proportional to 19,696,357.89, 27,183,280.19 and 16,382,806.65
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Solution
The fourth proportional to 19,696,357.89, 27,183,280.19 and 16,382,806.65 is: 22,610,191.48
Step by Step Solution
- Step 1: Write the proportion equation
19,696,357.89 : 27,183,280.19 = 16,382,806.65 : x - Step 2: Convert to fraction form
19,696,357.89/27,183,280.19 = 16,382,806.65/x - Step 3: Cross multiply
19,696,357.89x = 27,183,280.19 × 16,382,806.65 - Step 4: Simplify right side
19,696,357.89x = 445,338,423,383,631.19 - Step 5: Solve for x
x = 445,338,423,383,631.19/19,696,357.89 - Step 6: Final answer
x = 22,610,191.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.