Finding the Fourth Proportional to 49,920,406.68, 68,892,822.36 and 27,894,440.79
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Solution
The fourth proportional to 49,920,406.68, 68,892,822.36 and 27,894,440.79 is: 38,495,815.28
Step by Step Solution
- Step 1: Write the proportion equation
49,920,406.68 : 68,892,822.36 = 27,894,440.79 : x - Step 2: Convert to fraction form
49,920,406.68/68,892,822.36 = 27,894,440.79/x - Step 3: Cross multiply
49,920,406.68x = 68,892,822.36 × 27,894,440.79 - Step 4: Simplify right side
49,920,406.68x = 1,921,726,754,177,008 - Step 5: Solve for x
x = 1,921,726,754,177,008/49,920,406.68 - Step 6: Final answer
x = 38,495,815.28
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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.