Finding the Fourth Proportional to 15,916,171.68, 23,874,227.64 and 4,987,197.96
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Solution
The fourth proportional to 15,916,171.68, 23,874,227.64 and 4,987,197.96 is: 7,480,787.58
Step by Step Solution
- Step 1: Write the proportion equation
15,916,171.68 : 23,874,227.64 = 4,987,197.96 : x - Step 2: Convert to fraction form
15,916,171.68/23,874,227.64 = 4,987,197.96/x - Step 3: Cross multiply
15,916,171.68x = 23,874,227.64 × 4,987,197.96 - Step 4: Simplify right side
15,916,171.68x = 119,065,499,382,783.61 - Step 5: Solve for x
x = 119,065,499,382,783.61/15,916,171.68 - Step 6: Final answer
x = 7,480,787.58
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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.