Finding the Fourth Proportional to 7,760,097.33, 10,708,421.97 and 4,660,779.09
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Solution
The fourth proportional to 7,760,097.33, 10,708,421.97 and 4,660,779.09 is: 6,431,567.43
Step by Step Solution
- Step 1: Write the proportion equation
7,760,097.33 : 10,708,421.97 = 4,660,779.09 : x - Step 2: Convert to fraction form
7,760,097.33/10,708,421.97 = 4,660,779.09/x - Step 3: Cross multiply
7,760,097.33x = 10,708,421.97 × 4,660,779.09 - Step 4: Simplify right side
7,760,097.33x = 49,909,589,207,144.03 - Step 5: Solve for x
x = 49,909,589,207,144.03/7,760,097.33 - Step 6: Final answer
x = 6,431,567.43
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1.5x scale
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.