Finding the Fourth Proportional to 8,748,435.20, 13,122,652.80 and 8,216,556.80
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Solution
The fourth proportional to 8,748,435.20, 13,122,652.80 and 8,216,556.80 is: 12,324,835.20
Step by Step Solution
- Step 1: Write the proportion equation
8,748,435.20 : 13,122,652.80 = 8,216,556.80 : x - Step 2: Convert to fraction form
8,748,435.20/13,122,652.80 = 8,216,556.80/x - Step 3: Cross multiply
8,748,435.20x = 13,122,652.80 × 8,216,556.80 - Step 4: Simplify right side
8,748,435.20x = 107,823,022,097,879.05 - Step 5: Solve for x
x = 107,823,022,097,879.05/8,748,435.20 - Step 6: Final answer
x = 12,324,835.20
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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.