Finding the Fourth Proportional to 35,491,239.40, 48,978,058 and 19,193,715.40
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Solution
The fourth proportional to 35,491,239.40, 48,978,058 and 19,193,715.40 is: 26,487,407.09
Step by Step Solution
- Step 1: Write the proportion equation
35,491,239.40 : 48,978,058 = 19,193,715.40 : x - Step 2: Convert to fraction form
35,491,239.40/48,978,058 = 19,193,715.40/x - Step 3: Cross multiply
35,491,239.40x = 48,978,058 × 19,193,715.40 - Step 4: Simplify right side
35,491,239.40x = 940,070,906,096,693.12 - Step 5: Solve for x
x = 940,070,906,096,693.12/35,491,239.40 - Step 6: Final answer
x = 26,487,407.09
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1.5x scale
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.