Finding the Fourth Proportional to 18,171,330.30, 27,256,995.45 and 16,116,425.10
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Solution
The fourth proportional to 18,171,330.30, 27,256,995.45 and 16,116,425.10 is: 24,174,637.65
Step by Step Solution
- Step 1: Write the proportion equation
18,171,330.30 : 27,256,995.45 = 16,116,425.10 : x - Step 2: Convert to fraction form
18,171,330.30/27,256,995.45 = 16,116,425.10/x - Step 3: Cross multiply
18,171,330.30x = 27,256,995.45 × 16,116,425.10 - Step 4: Simplify right side
18,171,330.30x = 439,285,325,620,965.75 - Step 5: Solve for x
x = 439,285,325,620,965.75/18,171,330.30 - Step 6: Final answer
x = 24,174,637.65
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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.