Finding the Fourth Proportional to 34,258,660.41, 47,279,941.23 and 18,791,734.41
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Solution
The fourth proportional to 34,258,660.41, 47,279,941.23 and 18,791,734.41 is: 25,934,233.50
Step by Step Solution
- Step 1: Write the proportion equation
34,258,660.41 : 47,279,941.23 = 18,791,734.41 : x - Step 2: Convert to fraction form
34,258,660.41/47,279,941.23 = 18,791,734.41/x - Step 3: Cross multiply
34,258,660.41x = 47,279,941.23 × 18,791,734.41 - Step 4: Simplify right side
34,258,660.41x = 888,472,098,514,568.62 - Step 5: Solve for x
x = 888,472,098,514,568.62/34,258,660.41 - Step 6: Final answer
x = 25,934,233.50
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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.