Finding the Fourth Proportional to 18,064,385.28, 27,101,893.24 and 7,276,132.98
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Solution
The fourth proportional to 18,064,385.28, 27,101,893.24 and 7,276,132.98 is: 10,916,340.42
Step by Step Solution
- Step 1: Write the proportion equation
18,064,385.28 : 27,101,893.24 = 7,276,132.98 : x - Step 2: Convert to fraction form
18,064,385.28/27,101,893.24 = 7,276,132.98/x - Step 3: Cross multiply
18,064,385.28x = 27,101,893.24 × 7,276,132.98 - Step 4: Simplify right side
18,064,385.28x = 197,196,979,224,003.06 - Step 5: Solve for x
x = 197,196,979,224,003.06/18,064,385.28 - Step 6: Final answer
x = 10,916,340.42
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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.