Finding the Fourth Proportional to 8,816,555.99, 12,165,745.55 and 4,895,779.03
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Solution
The fourth proportional to 8,816,555.99, 12,165,745.55 and 4,895,779.03 is: 6,755,563.28
Step by Step Solution
- Step 1: Write the proportion equation
8,816,555.99 : 12,165,745.55 = 4,895,779.03 : x - Step 2: Convert to fraction form
8,816,555.99/12,165,745.55 = 4,895,779.03/x - Step 3: Cross multiply
8,816,555.99x = 12,165,745.55 × 4,895,779.03 - Step 4: Simplify right side
8,816,555.99x = 59,560,801,923,526.92 - Step 5: Solve for x
x = 59,560,801,923,526.92/8,816,555.99 - Step 6: Final answer
x = 6,755,563.28
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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.