Finding the Fourth Proportional to 20,005,944.06, 27,608,335.32 and 10,838,586.84
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Solution
The fourth proportional to 20,005,944.06, 27,608,335.32 and 10,838,586.84 is: 14,957,321.63
Step by Step Solution
- Step 1: Write the proportion equation
20,005,944.06 : 27,608,335.32 = 10,838,586.84 : x - Step 2: Convert to fraction form
20,005,944.06/27,608,335.32 = 10,838,586.84/x - Step 3: Cross multiply
20,005,944.06x = 27,608,335.32 × 10,838,586.84 - Step 4: Simplify right side
20,005,944.06x = 299,235,339,873,659.19 - Step 5: Solve for x
x = 299,235,339,873,659.19/20,005,944.06 - Step 6: Final answer
x = 14,957,321.63
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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.