Finding the Fourth Proportional to 48,638,438.96, 67,121,886.36 and 26,613,863.32
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Solution
The fourth proportional to 48,638,438.96, 67,121,886.36 and 26,613,863.32 is: 36,727,591.34
Step by Step Solution
- Step 1: Write the proportion equation
48,638,438.96 : 67,121,886.36 = 26,613,863.32 : x - Step 2: Convert to fraction form
48,638,438.96/67,121,886.36 = 26,613,863.32/x - Step 3: Cross multiply
48,638,438.96x = 67,121,886.36 × 26,613,863.32 - Step 4: Simplify right side
48,638,438.96x = 1,786,372,709,365,612.25 - Step 5: Solve for x
x = 1,786,372,709,365,612.25/48,638,438.96 - Step 6: Final answer
x = 36,727,591.34
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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.