Finding the Fourth Proportional to 12,017,932.64, 18,029,853.84 and 3,498,342.92
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Solution
The fourth proportional to 12,017,932.64, 18,029,853.84 and 3,498,342.92 is: 5,248,374.53
Step by Step Solution
- Step 1: Write the proportion equation
12,017,932.64 : 18,029,853.84 = 3,498,342.92 : x - Step 2: Convert to fraction form
12,017,932.64/18,029,853.84 = 3,498,342.92/x - Step 3: Cross multiply
12,017,932.64x = 18,029,853.84 × 3,498,342.92 - Step 4: Simplify right side
12,017,932.64x = 63,074,611,529,798.81 - Step 5: Solve for x
x = 63,074,611,529,798.81/12,017,932.64 - Step 6: Final answer
x = 5,248,374.53
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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.