Finding the Fourth Proportional to 18,567,901.20, 27,851,851.80 and 14,536,822.80
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Solution
The fourth proportional to 18,567,901.20, 27,851,851.80 and 14,536,822.80 is: 21,805,234.20
Step by Step Solution
- Step 1: Write the proportion equation
18,567,901.20 : 27,851,851.80 = 14,536,822.80 : x - Step 2: Convert to fraction form
18,567,901.20/27,851,851.80 = 14,536,822.80/x - Step 3: Cross multiply
18,567,901.20x = 27,851,851.80 × 14,536,822.80 - Step 4: Simplify right side
18,567,901.20x = 404,877,434,268,461.06 - Step 5: Solve for x
x = 404,877,434,268,461.06/18,567,901.20 - Step 6: Final answer
x = 21,805,234.20
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1.5x scale
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.