Finding the Fourth Proportional to 18,080,359.12, 27,121,101.12 and 8,602,901.21
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Solution
The fourth proportional to 18,080,359.12, 27,121,101.12 and 8,602,901.21 is: 12,904,619.42
Step by Step Solution
- Step 1: Write the proportion equation
18,080,359.12 : 27,121,101.12 = 8,602,901.21 : x - Step 2: Convert to fraction form
18,080,359.12/27,121,101.12 = 8,602,901.21/x - Step 3: Cross multiply
18,080,359.12x = 27,121,101.12 × 8,602,901.21 - Step 4: Simplify right side
18,080,359.12x = 233,320,153,484,667.59 - Step 5: Solve for x
x = 233,320,153,484,667.59/18,080,359.12 - Step 6: Final answer
x = 12,904,619.42
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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.