Finding the Fourth Proportional to 17,715,186.40, 26,572,779.60 and 4,252,014.40
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Solution
The fourth proportional to 17,715,186.40, 26,572,779.60 and 4,252,014.40 is: 6,378,021.60
Step by Step Solution
- Step 1: Write the proportion equation
17,715,186.40 : 26,572,779.60 = 4,252,014.40 : x - Step 2: Convert to fraction form
17,715,186.40/26,572,779.60 = 4,252,014.40/x - Step 3: Cross multiply
17,715,186.40x = 26,572,779.60 × 4,252,014.40 - Step 4: Simplify right side
17,715,186.40x = 112,987,841,507,226.25 - Step 5: Solve for x
x = 112,987,841,507,226.25/17,715,186.40 - Step 6: Final answer
x = 6,378,021.60
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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.