Finding the Fourth Proportional to 7,684,143.18, 11,532,680.91 and 3,844,813.74
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Solution
The fourth proportional to 7,684,143.18, 11,532,680.91 and 3,844,813.74 is: 5,770,455.99
Step by Step Solution
- Step 1: Write the proportion equation
7,684,143.18 : 11,532,680.91 = 3,844,813.74 : x - Step 2: Convert to fraction form
7,684,143.18/11,532,680.91 = 3,844,813.74/x - Step 3: Cross multiply
7,684,143.18x = 11,532,680.91 × 3,844,813.74 - Step 4: Simplify right side
7,684,143.18x = 44,341,010,021,803.70 - Step 5: Solve for x
x = 44,341,010,021,803.70/7,684,143.18 - Step 6: Final answer
x = 5,770,455.99
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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.