Finding the Fourth Proportional to 14,236,182.66, 19,647,886.68 and 8,728,583.52
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Solution
The fourth proportional to 14,236,182.66, 19,647,886.68 and 8,728,583.52 is: 12,046,643.68
Step by Step Solution
- Step 1: Write the proportion equation
14,236,182.66 : 19,647,886.68 = 8,728,583.52 : x - Step 2: Convert to fraction form
14,236,182.66/19,647,886.68 = 8,728,583.52/x - Step 3: Cross multiply
14,236,182.66x = 19,647,886.68 × 8,728,583.52 - Step 4: Simplify right side
14,236,182.66x = 171,498,219,877,875.50 - Step 5: Solve for x
x = 171,498,219,877,875.50/14,236,182.66 - Step 6: Final answer
x = 12,046,643.68
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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.