Finding the Fourth Proportional to 26,288,628.50, 39,397,693.75 and 20,459,851.99
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Solution
The fourth proportional to 26,288,628.50, 39,397,693.75 and 20,459,851.99 is: 30,662,344.47
Step by Step Solution
- Step 1: Write the proportion equation
26,288,628.50 : 39,397,693.75 = 20,459,851.99 : x - Step 2: Convert to fraction form
26,288,628.50/39,397,693.75 = 20,459,851.99/x - Step 3: Cross multiply
26,288,628.50x = 39,397,693.75 × 20,459,851.99 - Step 4: Simplify right side
26,288,628.50x = 806,070,982,722,704.25 - Step 5: Solve for x
x = 806,070,982,722,704.25/26,288,628.50 - Step 6: Final answer
x = 30,662,344.47
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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.