Finding the Fourth Proportional to 8,852,989.61, 13,279,958.27 and 2,788,193.79
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Solution
The fourth proportional to 8,852,989.61, 13,279,958.27 and 2,788,193.79 is: 4,182,439.92
Step by Step Solution
- Step 1: Write the proportion equation
8,852,989.61 : 13,279,958.27 = 2,788,193.79 : x - Step 2: Convert to fraction form
8,852,989.61/13,279,958.27 = 2,788,193.79/x - Step 3: Cross multiply
8,852,989.61x = 13,279,958.27 × 2,788,193.79 - Step 4: Simplify right side
8,852,989.61x = 37,027,097,179,873.14 - Step 5: Solve for x
x = 37,027,097,179,873.14/8,852,989.61 - Step 6: Final answer
x = 4,182,439.92
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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.