Finding the Fourth Proportional to 7,486,545.76, 11,229,820.62 and 2,095,990.24
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Solution
The fourth proportional to 7,486,545.76, 11,229,820.62 and 2,095,990.24 is: 3,143,985.91
Step by Step Solution
- Step 1: Write the proportion equation
7,486,545.76 : 11,229,820.62 = 2,095,990.24 : x - Step 2: Convert to fraction form
7,486,545.76/11,229,820.62 = 2,095,990.24/x - Step 3: Cross multiply
7,486,545.76x = 11,229,820.62 × 2,095,990.24 - Step 4: Simplify right side
7,486,545.76x = 23,537,594,416,470.75 - Step 5: Solve for x
x = 23,537,594,416,470.75/7,486,545.76 - Step 6: Final answer
x = 3,143,985.91
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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.