Finding the Fourth Proportional to 18,643,062.91, 27,964,596.39 and 5,689,281.49
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Solution
The fourth proportional to 18,643,062.91, 27,964,596.39 and 5,689,281.49 is: 8,533,922.85
Step by Step Solution
- Step 1: Write the proportion equation
18,643,062.91 : 27,964,596.39 = 5,689,281.49 : x - Step 2: Convert to fraction form
18,643,062.91/27,964,596.39 = 5,689,281.49/x - Step 3: Cross multiply
18,643,062.91x = 27,964,596.39 × 5,689,281.49 - Step 4: Simplify right side
18,643,062.91x = 159,098,460,616,947.84 - Step 5: Solve for x
x = 159,098,460,616,947.84/18,643,062.91 - Step 6: Final answer
x = 8,533,922.85
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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.