Finding the Fourth Proportional to 8,974,222.62, 12,384,257.94 and 5,489,304.99
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Solution
The fourth proportional to 8,974,222.62, 12,384,257.94 and 5,489,304.99 is: 7,575,137.34
Step by Step Solution
- Step 1: Write the proportion equation
8,974,222.62 : 12,384,257.94 = 5,489,304.99 : x - Step 2: Convert to fraction form
8,974,222.62/12,384,257.94 = 5,489,304.99/x - Step 3: Cross multiply
8,974,222.62x = 12,384,257.94 × 5,489,304.99 - Step 4: Simplify right side
8,974,222.62x = 67,980,968,907,489.12 - Step 5: Solve for x
x = 67,980,968,907,489.12/8,974,222.62 - Step 6: Final answer
x = 7,575,137.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.