Finding the Fourth Proportional to 16,642,414.40, 24,963,621.60 and 8,118,363.20
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Solution
The fourth proportional to 16,642,414.40, 24,963,621.60 and 8,118,363.20 is: 12,177,544.80
Step by Step Solution
- Step 1: Write the proportion equation
16,642,414.40 : 24,963,621.60 = 8,118,363.20 : x - Step 2: Convert to fraction form
16,642,414.40/24,963,621.60 = 8,118,363.20/x - Step 3: Cross multiply
16,642,414.40x = 24,963,621.60 × 8,118,363.20 - Step 4: Simplify right side
16,642,414.40x = 202,663,746,936,165.12 - Step 5: Solve for x
x = 202,663,746,936,165.12/16,642,414.40 - Step 6: Final answer
x = 12,177,544.80
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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.