Finding the Fourth Proportional to 18,461,252.40, 27,691,878.60 and 6,329,088.60
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Solution
The fourth proportional to 18,461,252.40, 27,691,878.60 and 6,329,088.60 is: 9,493,632.90
Step by Step Solution
- Step 1: Write the proportion equation
18,461,252.40 : 27,691,878.60 = 6,329,088.60 : x - Step 2: Convert to fraction form
18,461,252.40/27,691,878.60 = 6,329,088.60/x - Step 3: Cross multiply
18,461,252.40x = 27,691,878.60 × 6,329,088.60 - Step 4: Simplify right side
18,461,252.40x = 175,264,353,159,843.97 - Step 5: Solve for x
x = 175,264,353,159,843.97/18,461,252.40 - Step 6: Final answer
x = 9,493,632.90
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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.