Finding the Fourth Proportional to 16,385,457.44, 22,611,979.20 and 8,943,188
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Solution
The fourth proportional to 16,385,457.44, 22,611,979.20 and 8,943,188 is: 12,341,625.60
Step by Step Solution
- Step 1: Write the proportion equation
16,385,457.44 : 22,611,979.20 = 8,943,188 : x - Step 2: Convert to fraction form
16,385,457.44/22,611,979.20 = 8,943,188/x - Step 3: Cross multiply
16,385,457.44x = 22,611,979.20 × 8,943,188 - Step 4: Simplify right side
16,385,457.44x = 202,223,181,037,689.59 - Step 5: Solve for x
x = 202,223,181,037,689.59/16,385,457.44 - Step 6: Final answer
x = 12,341,625.60
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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.