Finding the Fourth Proportional to 18,342,029.67, 27,513,656.87 and 8,244,679.83
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Solution
The fourth proportional to 18,342,029.67, 27,513,656.87 and 8,244,679.83 is: 12,367,295.00
Step by Step Solution
- Step 1: Write the proportion equation
18,342,029.67 : 27,513,656.87 = 8,244,679.83 : x - Step 2: Convert to fraction form
18,342,029.67/27,513,656.87 = 8,244,679.83/x - Step 3: Cross multiply
18,342,029.67x = 27,513,656.87 × 8,244,679.83 - Step 4: Simplify right side
18,342,029.67x = 226,841,291,804,406.53 - Step 5: Solve for x
x = 226,841,291,804,406.53/18,342,029.67 - Step 6: Final answer
x = 12,367,295.00
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1.5x scale
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.