Finding the Fourth Proportional to 18,417,892.60, 27,573,694.80 and 16,292,128.60
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Solution
The fourth proportional to 18,417,892.60, 27,573,694.80 and 16,292,128.60 is: 24,391,182.61
Step by Step Solution
- Step 1: Write the proportion equation
18,417,892.60 : 27,573,694.80 = 16,292,128.60 : x - Step 2: Convert to fraction form
18,417,892.60/27,573,694.80 = 16,292,128.60/x - Step 3: Cross multiply
18,417,892.60x = 27,573,694.80 × 16,292,128.60 - Step 4: Simplify right side
18,417,892.60x = 449,234,181,658,751.31 - Step 5: Solve for x
x = 449,234,181,658,751.31/18,417,892.60 - Step 6: Final answer
x = 24,391,182.61
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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.