Finding the Fourth Proportional to 49,920,569.10, 68,889,063.74 and 27,894,249.50
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Solution
The fourth proportional to 49,920,569.10, 68,889,063.74 and 27,894,249.50 is: 38,493,325.82
Step by Step Solution
- Step 1: Write the proportion equation
49,920,569.10 : 68,889,063.74 = 27,894,249.50 : x - Step 2: Convert to fraction form
49,920,569.10/68,889,063.74 = 27,894,249.50/x - Step 3: Cross multiply
49,920,569.10x = 68,889,063.74 × 27,894,249.50 - Step 4: Simplify right side
49,920,569.10x = 1,921,608,731,301,046.50 - Step 5: Solve for x
x = 1,921,608,731,301,046.50/49,920,569.10 - Step 6: Final answer
x = 38,493,325.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.