Finding the Fourth Proportional to 16,402,452.16, 22,635,457.68 and 8,960,216.80
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Solution
The fourth proportional to 16,402,452.16, 22,635,457.68 and 8,960,216.80 is: 12,365,139.44
Step by Step Solution
- Step 1: Write the proportion equation
16,402,452.16 : 22,635,457.68 = 8,960,216.80 : x - Step 2: Convert to fraction form
16,402,452.16/22,635,457.68 = 8,960,216.80/x - Step 3: Cross multiply
16,402,452.16x = 22,635,457.68 × 8,960,216.80 - Step 4: Simplify right side
16,402,452.16x = 202,818,608,180,025.03 - Step 5: Solve for x
x = 202,818,608,180,025.03/16,402,452.16 - Step 6: Final answer
x = 12,365,139.44
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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.