Finding the Fourth Proportional to 8,272,152.08, 11,415,201.80 and 4,786,932.48
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Solution
The fourth proportional to 8,272,152.08, 11,415,201.80 and 4,786,932.48 is: 6,605,753.83
Step by Step Solution
- Step 1: Write the proportion equation
8,272,152.08 : 11,415,201.80 = 4,786,932.48 : x - Step 2: Convert to fraction form
8,272,152.08/11,415,201.80 = 4,786,932.48/x - Step 3: Cross multiply
8,272,152.08x = 11,415,201.80 × 4,786,932.48 - Step 4: Simplify right side
8,272,152.08x = 54,643,800,262,174.48 - Step 5: Solve for x
x = 54,643,800,262,174.48/8,272,152.08 - Step 6: Final answer
x = 6,605,753.83
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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.