Finding the Fourth Proportional to 30,474,129.44, 42,055,511.68 and 16,723,585.68
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Solution
The fourth proportional to 30,474,129.44, 42,055,511.68 and 16,723,585.68 is: 23,079,213.94
Step by Step Solution
- Step 1: Write the proportion equation
30,474,129.44 : 42,055,511.68 = 16,723,585.68 : x - Step 2: Convert to fraction form
30,474,129.44/42,055,511.68 = 16,723,585.68/x - Step 3: Cross multiply
30,474,129.44x = 42,055,511.68 × 16,723,585.68 - Step 4: Simplify right side
30,474,129.44x = 703,318,952,896,720.75 - Step 5: Solve for x
x = 703,318,952,896,720.75/30,474,129.44 - Step 6: Final answer
x = 23,079,213.94
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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.