Finding the Fourth Proportional to 49,896,402.80, 74,921,586.60 and 27,221,586.80
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Solution
The fourth proportional to 49,896,402.80, 74,921,586.60 and 27,221,586.80 is: 40,874,378.88
Step by Step Solution
- Step 1: Write the proportion equation
49,896,402.80 : 74,921,586.60 = 27,221,586.80 : x - Step 2: Convert to fraction form
49,896,402.80/74,921,586.60 = 27,221,586.80/x - Step 3: Cross multiply
49,896,402.80x = 74,921,586.60 × 27,221,586.80 - Step 4: Simplify right side
49,896,402.80x = 2,039,484,472,825,616.75 - Step 5: Solve for x
x = 2,039,484,472,825,616.75/49,896,402.80 - Step 6: Final answer
x = 40,874,378.88
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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.