Finding the Fourth Proportional to 23,378,020.80, 32,258,874.24 and 12,922,624.68
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Solution
The fourth proportional to 23,378,020.80, 32,258,874.24 and 12,922,624.68 is: 17,831,677.37
Step by Step Solution
- Step 1: Write the proportion equation
23,378,020.80 : 32,258,874.24 = 12,922,624.68 : x - Step 2: Convert to fraction form
23,378,020.80/32,258,874.24 = 12,922,624.68/x - Step 3: Cross multiply
23,378,020.80x = 32,258,874.24 × 12,922,624.68 - Step 4: Simplify right side
23,378,020.80x = 416,869,324,402,840.19 - Step 5: Solve for x
x = 416,869,324,402,840.19/23,378,020.80 - Step 6: Final answer
x = 17,831,677.37
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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.