Finding the Fourth Proportional to 26,288,445.13, 39,397,419.97 and 20,459,669.07
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Solution
The fourth proportional to 26,288,445.13, 39,397,419.97 and 20,459,669.07 is: 30,662,071.14
Step by Step Solution
- Step 1: Write the proportion equation
26,288,445.13 : 39,397,419.97 = 20,459,669.07 : x - Step 2: Convert to fraction form
26,288,445.13/39,397,419.97 = 20,459,669.07/x - Step 3: Cross multiply
26,288,445.13x = 39,397,419.97 × 20,459,669.07 - Step 4: Simplify right side
26,288,445.13x = 806,058,174,836,266.62 - Step 5: Solve for x
x = 806,058,174,836,266.62/26,288,445.13 - Step 6: Final answer
x = 30,662,071.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.