Finding the Fourth Proportional to 18,342,028.92, 27,513,655.74 and 8,244,679.08
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Solution
The fourth proportional to 18,342,028.92, 27,513,655.74 and 8,244,679.08 is: 12,367,293.87
Step by Step Solution
- Step 1: Write the proportion equation
18,342,028.92 : 27,513,655.74 = 8,244,679.08 : x - Step 2: Convert to fraction form
18,342,028.92/27,513,655.74 = 8,244,679.08/x - Step 3: Cross multiply
18,342,028.92x = 27,513,655.74 × 8,244,679.08 - Step 4: Simplify right side
18,342,028.92x = 226,841,261,893,899.91 - Step 5: Solve for x
x = 226,841,261,893,899.91/18,342,028.92 - Step 6: Final answer
x = 12,367,293.87
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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.