Finding the Fourth Proportional to 8,568,055.64, 12,852,113.50 and 2,178,308.68
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Solution
The fourth proportional to 8,568,055.64, 12,852,113.50 and 2,178,308.68 is: 3,267,470.66
Step by Step Solution
- Step 1: Write the proportion equation
8,568,055.64 : 12,852,113.50 = 2,178,308.68 : x - Step 2: Convert to fraction form
8,568,055.64/12,852,113.50 = 2,178,308.68/x - Step 3: Cross multiply
8,568,055.64x = 12,852,113.50 × 2,178,308.68 - Step 4: Simplify right side
8,568,055.64x = 27,995,870,393,395.18 - Step 5: Solve for x
x = 27,995,870,393,395.18/8,568,055.64 - Step 6: Final answer
x = 3,267,470.66
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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.