Finding the Fourth Proportional to 16,091,963.40, 24,165,938.70 and 8,533,691.40
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Solution
The fourth proportional to 16,091,963.40, 24,165,938.70 and 8,533,691.40 is: 12,815,382.32
Step by Step Solution
- Step 1: Write the proportion equation
16,091,963.40 : 24,165,938.70 = 8,533,691.40 : x - Step 2: Convert to fraction form
16,091,963.40/24,165,938.70 = 8,533,691.40/x - Step 3: Cross multiply
16,091,963.40x = 24,165,938.70 × 8,533,691.40 - Step 4: Simplify right side
16,091,963.40x = 206,224,663,257,117.19 - Step 5: Solve for x
x = 206,224,663,257,117.19/16,091,963.40 - Step 6: Final answer
x = 12,815,382.32
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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.