Finding the Fourth Proportional to 18,947,549.49, 28,422,357.93 and 5,992,732.65
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Solution
The fourth proportional to 18,947,549.49, 28,422,357.93 and 5,992,732.65 is: 8,989,425.92
Step by Step Solution
- Step 1: Write the proportion equation
18,947,549.49 : 28,422,357.93 = 5,992,732.65 : x - Step 2: Convert to fraction form
18,947,549.49/28,422,357.93 = 5,992,732.65/x - Step 3: Cross multiply
18,947,549.49x = 28,422,357.93 × 5,992,732.65 - Step 4: Simplify right side
18,947,549.49x = 170,327,592,480,532.81 - Step 5: Solve for x
x = 170,327,592,480,532.81/18,947,549.49 - Step 6: Final answer
x = 8,989,425.92
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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.