Finding the Fourth Proportional to 14,873,037.36, 20,543,499.90 and 12,268,978.08
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Solution
The fourth proportional to 14,873,037.36, 20,543,499.90 and 12,268,978.08 is: 16,946,622.53
Step by Step Solution
- Step 1: Write the proportion equation
14,873,037.36 : 20,543,499.90 = 12,268,978.08 : x - Step 2: Convert to fraction form
14,873,037.36/20,543,499.90 = 12,268,978.08/x - Step 3: Cross multiply
14,873,037.36x = 20,543,499.90 × 12,268,978.08 - Step 4: Simplify right side
14,873,037.36x = 252,047,749,959,582.19 - Step 5: Solve for x
x = 252,047,749,959,582.19/14,873,037.36 - Step 6: Final answer
x = 16,946,622.53
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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.