Finding the Fourth Proportional to 19,264,705.17, 28,901,880.11 and 5,617,853.07
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Solution
The fourth proportional to 19,264,705.17, 28,901,880.11 and 5,617,853.07 is: 8,428,185.87
Step by Step Solution
- Step 1: Write the proportion equation
19,264,705.17 : 28,901,880.11 = 5,617,853.07 : x - Step 2: Convert to fraction form
19,264,705.17/28,901,880.11 = 5,617,853.07/x - Step 3: Cross multiply
19,264,705.17x = 28,901,880.11 × 5,617,853.07 - Step 4: Simplify right side
19,264,705.17x = 162,366,515,904,735.44 - Step 5: Solve for x
x = 162,366,515,904,735.44/19,264,705.17 - Step 6: Final answer
x = 8,428,185.87
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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.