Finding the Fourth Proportional to 10,197,166.82, 15,296,258.49 and 2,911,707.12
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Solution
The fourth proportional to 10,197,166.82, 15,296,258.49 and 2,911,707.12 is: 4,367,705.82
Step by Step Solution
- Step 1: Write the proportion equation
10,197,166.82 : 15,296,258.49 = 2,911,707.12 : x - Step 2: Convert to fraction form
10,197,166.82/15,296,258.49 = 2,911,707.12/x - Step 3: Cross multiply
10,197,166.82x = 15,296,258.49 × 2,911,707.12 - Step 4: Simplify right side
10,197,166.82x = 44,538,224,801,135.52 - Step 5: Solve for x
x = 44,538,224,801,135.52/10,197,166.82 - Step 6: Final answer
x = 4,367,705.82
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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.