Finding the Fourth Proportional to 8,552,575.70, 11,798,079.80 and 5,288,346.98
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Solution
The fourth proportional to 8,552,575.70, 11,798,079.80 and 5,288,346.98 is: 7,295,151.99
Step by Step Solution
- Step 1: Write the proportion equation
8,552,575.70 : 11,798,079.80 = 5,288,346.98 : x - Step 2: Convert to fraction form
8,552,575.70/11,798,079.80 = 5,288,346.98/x - Step 3: Cross multiply
8,552,575.70x = 11,798,079.80 × 5,288,346.98 - Step 4: Simplify right side
8,552,575.70x = 62,392,339,680,129.02 - Step 5: Solve for x
x = 62,392,339,680,129.02/8,552,575.70 - Step 6: Final answer
x = 7,295,151.99
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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.