Finding the Fourth Proportional to 49,632,164.20, 74,450,579.10 and 15,554,621.80
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Solution
The fourth proportional to 49,632,164.20, 74,450,579.10 and 15,554,621.80 is: 23,332,663.79
Step by Step Solution
- Step 1: Write the proportion equation
49,632,164.20 : 74,450,579.10 = 15,554,621.80 : x - Step 2: Convert to fraction form
49,632,164.20/74,450,579.10 = 15,554,621.80/x - Step 3: Cross multiply
49,632,164.20x = 74,450,579.10 × 15,554,621.80 - Step 4: Simplify right side
49,632,164.20x = 1,158,050,600,691,484.25 - Step 5: Solve for x
x = 1,158,050,600,691,484.25/49,632,164.20 - Step 6: Final answer
x = 23,332,663.79
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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.