Finding the Fourth Proportional to 23,295,938.40, 32,148,502.80 and 13,512,175.20
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Solution
The fourth proportional to 23,295,938.40, 32,148,502.80 and 13,512,175.20 is: 18,646,864.31
Step by Step Solution
- Step 1: Write the proportion equation
23,295,938.40 : 32,148,502.80 = 13,512,175.20 : x - Step 2: Convert to fraction form
23,295,938.40/32,148,502.80 = 13,512,175.20/x - Step 3: Cross multiply
23,295,938.40x = 32,148,502.80 × 13,512,175.20 - Step 4: Simplify right side
23,295,938.40x = 434,396,202,251,290.56 - Step 5: Solve for x
x = 434,396,202,251,290.56/23,295,938.40 - Step 6: Final answer
x = 18,646,864.31
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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.