Finding the Fourth Proportional to 7,086,048.18, 9,779,057.63 and 3,988,771.40
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Solution
The fourth proportional to 7,086,048.18, 9,779,057.63 and 3,988,771.40 is: 5,504,679.67
Step by Step Solution
- Step 1: Write the proportion equation
7,086,048.18 : 9,779,057.63 = 3,988,771.40 : x - Step 2: Convert to fraction form
7,086,048.18/9,779,057.63 = 3,988,771.40/x - Step 3: Cross multiply
7,086,048.18x = 9,779,057.63 × 3,988,771.40 - Step 4: Simplify right side
7,086,048.18x = 39,006,425,324,656.64 - Step 5: Solve for x
x = 39,006,425,324,656.64/7,086,048.18 - Step 6: Final answer
x = 5,504,679.67
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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.