Finding the Fourth Proportional to 18,447,721.60, 27,596,932.80 and 16,208,233.60
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Solution
The fourth proportional to 18,447,721.60, 27,596,932.80 and 16,208,233.60 is: 24,246,763.00
Step by Step Solution
- Step 1: Write the proportion equation
18,447,721.60 : 27,596,932.80 = 16,208,233.60 : x - Step 2: Convert to fraction form
18,447,721.60/27,596,932.80 = 16,208,233.60/x - Step 3: Cross multiply
18,447,721.60x = 27,596,932.80 × 16,208,233.60 - Step 4: Simplify right side
18,447,721.60x = 447,297,533,465,902.06 - Step 5: Solve for x
x = 447,297,533,465,902.06/18,447,721.60 - Step 6: Final answer
x = 24,246,763.00
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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.