Finding the Fourth Proportional to 12,442,916.60, 18,664,374.90 and 3,467,468.60
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Solution
The fourth proportional to 12,442,916.60, 18,664,374.90 and 3,467,468.60 is: 5,201,202.90
Step by Step Solution
- Step 1: Write the proportion equation
12,442,916.60 : 18,664,374.90 = 3,467,468.60 : x - Step 2: Convert to fraction form
12,442,916.60/18,664,374.90 = 3,467,468.60/x - Step 3: Cross multiply
12,442,916.60x = 18,664,374.90 × 3,467,468.60 - Step 4: Simplify right side
12,442,916.60x = 64,718,133,904,378.13 - Step 5: Solve for x
x = 64,718,133,904,378.13/12,442,916.60 - Step 6: Final answer
x = 5,201,202.90
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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.