Finding the Fourth Proportional to 16,313,479.02, 22,513,179.22 and 8,971,879.96
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Solution
The fourth proportional to 16,313,479.02, 22,513,179.22 and 8,971,879.96 is: 12,381,512.32
Step by Step Solution
- Step 1: Write the proportion equation
16,313,479.02 : 22,513,179.22 = 8,971,879.96 : x - Step 2: Convert to fraction form
16,313,479.02/22,513,179.22 = 8,971,879.96/x - Step 3: Cross multiply
16,313,479.02x = 22,513,179.22 × 8,971,879.96 - Step 4: Simplify right side
16,313,479.02x = 201,985,541,485,518.22 - Step 5: Solve for x
x = 201,985,541,485,518.22/16,313,479.02 - Step 6: Final answer
x = 12,381,512.32
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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.