Finding the Fourth Proportional to 8,288,425.13, 11,355,182.95 and 7,977,777.19
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Solution
The fourth proportional to 8,288,425.13, 11,355,182.95 and 7,977,777.19 is: 10,929,593.75
Step by Step Solution
- Step 1: Write the proportion equation
8,288,425.13 : 11,355,182.95 = 7,977,777.19 : x - Step 2: Convert to fraction form
8,288,425.13/11,355,182.95 = 7,977,777.19/x - Step 3: Cross multiply
8,288,425.13x = 11,355,182.95 × 7,977,777.19 - Step 4: Simplify right side
8,288,425.13x = 90,589,119,493,412.84 - Step 5: Solve for x
x = 90,589,119,493,412.84/8,288,425.13 - Step 6: Final answer
x = 10,929,593.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.