Finding the Fourth Proportional to 8,516,935.30, 12,777,416.68 and 2,759,659.42
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Solution
The fourth proportional to 8,516,935.30, 12,777,416.68 and 2,759,659.42 is: 4,140,141.62
Step by Step Solution
- Step 1: Write the proportion equation
8,516,935.30 : 12,777,416.68 = 2,759,659.42 : x - Step 2: Convert to fraction form
8,516,935.30/12,777,416.68 = 2,759,659.42/x - Step 3: Cross multiply
8,516,935.30x = 12,777,416.68 × 2,759,659.42 - Step 4: Simplify right side
8,516,935.30x = 35,261,318,304,227.12 - Step 5: Solve for x
x = 35,261,318,304,227.12/8,516,935.30 - Step 6: Final answer
x = 4,140,141.62
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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.