Finding the Fourth Proportional to 14,856,319.64, 20,499,827.08 and 8,659,815.99
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Solution
The fourth proportional to 14,856,319.64, 20,499,827.08 and 8,659,815.99 is: 11,949,442.03
Step by Step Solution
- Step 1: Write the proportion equation
14,856,319.64 : 20,499,827.08 = 8,659,815.99 : x - Step 2: Convert to fraction form
14,856,319.64/20,499,827.08 = 8,659,815.99/x - Step 3: Cross multiply
14,856,319.64x = 20,499,827.08 × 8,659,815.99 - Step 4: Simplify right side
14,856,319.64x = 177,524,730,296,319.94 - Step 5: Solve for x
x = 177,524,730,296,319.94/14,856,319.64 - Step 6: Final answer
x = 11,949,442.03
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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.