Finding the Fourth Proportional to 10,243,887.74, 15,368,245.52 and 3,327,336.21
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Solution
The fourth proportional to 10,243,887.74, 15,368,245.52 and 3,327,336.21 is: 4,991,788.38
Step by Step Solution
- Step 1: Write the proportion equation
10,243,887.74 : 15,368,245.52 = 3,327,336.21 : x - Step 2: Convert to fraction form
10,243,887.74/15,368,245.52 = 3,327,336.21/x - Step 3: Cross multiply
10,243,887.74x = 15,368,245.52 × 3,327,336.21 - Step 4: Simplify right side
10,243,887.74x = 51,135,319,786,229.60 - Step 5: Solve for x
x = 51,135,319,786,229.60/10,243,887.74 - Step 6: Final answer
x = 4,991,788.38
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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.