Finding the Fourth Proportional to 7,686,301.80, 11,529,452.70 and 4,858,948.20
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Solution
The fourth proportional to 7,686,301.80, 11,529,452.70 and 4,858,948.20 is: 7,288,422.30
Step by Step Solution
- Step 1: Write the proportion equation
7,686,301.80 : 11,529,452.70 = 4,858,948.20 : x - Step 2: Convert to fraction form
7,686,301.80/11,529,452.70 = 4,858,948.20/x - Step 3: Cross multiply
7,686,301.80x = 11,529,452.70 × 4,858,948.20 - Step 4: Simplify right side
7,686,301.80x = 56,021,013,443,650.14 - Step 5: Solve for x
x = 56,021,013,443,650.14/7,686,301.80 - Step 6: Final answer
x = 7,288,422.30
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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.