Finding the Fourth Proportional to 31,886,741.13, 44,005,098.21 and 17,948,995.53
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Solution
The fourth proportional to 31,886,741.13, 44,005,098.21 and 17,948,995.53 is: 24,770,399.33
Step by Step Solution
- Step 1: Write the proportion equation
31,886,741.13 : 44,005,098.21 = 17,948,995.53 : x - Step 2: Convert to fraction form
31,886,741.13/44,005,098.21 = 17,948,995.53/x - Step 3: Cross multiply
31,886,741.13x = 44,005,098.21 × 17,948,995.53 - Step 4: Simplify right side
31,886,741.13x = 789,847,311,068,501.12 - Step 5: Solve for x
x = 789,847,311,068,501.12/31,886,741.13 - Step 6: Final answer
x = 24,770,399.33
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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.