Finding the Fourth Proportional to 10,165,183.56, 15,243,299.28 and 4,775,365.80
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Solution
The fourth proportional to 10,165,183.56, 15,243,299.28 and 4,775,365.80 is: 7,160,945.95
Step by Step Solution
- Step 1: Write the proportion equation
10,165,183.56 : 15,243,299.28 = 4,775,365.80 : x - Step 2: Convert to fraction form
10,165,183.56/15,243,299.28 = 4,775,365.80/x - Step 3: Cross multiply
10,165,183.56x = 15,243,299.28 × 4,775,365.80 - Step 4: Simplify right side
10,165,183.56x = 72,792,330,060,876.62 - Step 5: Solve for x
x = 72,792,330,060,876.62/10,165,183.56 - Step 6: Final answer
x = 7,160,945.95
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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.