Finding the Fourth Proportional to 10,261,258.38, 15,361,201.53 and 6,205,471.74
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Solution
The fourth proportional to 10,261,258.38, 15,361,201.53 and 6,205,471.74 is: 9,289,650.30
Step by Step Solution
- Step 1: Write the proportion equation
10,261,258.38 : 15,361,201.53 = 6,205,471.74 : x - Step 2: Convert to fraction form
10,261,258.38/15,361,201.53 = 6,205,471.74/x - Step 3: Cross multiply
10,261,258.38x = 15,361,201.53 × 6,205,471.74 - Step 4: Simplify right side
10,261,258.38x = 95,323,501,986,859.77 - Step 5: Solve for x
x = 95,323,501,986,859.77/10,261,258.38 - Step 6: Final answer
x = 9,289,650.30
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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.