Finding the Fourth Proportional to 7,468,108.88, 11,211,618.51 and 4,582,386.68
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Solution
The fourth proportional to 7,468,108.88, 11,211,618.51 and 4,582,386.68 is: 6,879,381.66
Step by Step Solution
- Step 1: Write the proportion equation
7,468,108.88 : 11,211,618.51 = 4,582,386.68 : x - Step 2: Convert to fraction form
7,468,108.88/11,211,618.51 = 4,582,386.68/x - Step 3: Cross multiply
7,468,108.88x = 11,211,618.51 × 4,582,386.68 - Step 4: Simplify right side
7,468,108.88x = 51,375,971,265,407.35 - Step 5: Solve for x
x = 51,375,971,265,407.35/7,468,108.88 - Step 6: Final answer
x = 6,879,381.66
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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.