Finding the Fourth Proportional to 8,323,556.80, 12,486,166.80 and 2,258,384.80
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Solution
The fourth proportional to 8,323,556.80, 12,486,166.80 and 2,258,384.80 is: 3,387,802.83
Step by Step Solution
- Step 1: Write the proportion equation
8,323,556.80 : 12,486,166.80 = 2,258,384.80 : x - Step 2: Convert to fraction form
8,323,556.80/12,486,166.80 = 2,258,384.80/x - Step 3: Cross multiply
8,323,556.80x = 12,486,166.80 × 2,258,384.80 - Step 4: Simplify right side
8,323,556.80x = 28,198,569,311,384.64 - Step 5: Solve for x
x = 28,198,569,311,384.64/8,323,556.80 - Step 6: Final answer
x = 3,387,802.83
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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.