Finding the Fourth Proportional to 13,254,204.96, 18,290,911.73 and 7,452,935.96
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Solution
The fourth proportional to 13,254,204.96, 18,290,911.73 and 7,452,935.96 is: 10,285,112.84
Step by Step Solution
- Step 1: Write the proportion equation
13,254,204.96 : 18,290,911.73 = 7,452,935.96 : x - Step 2: Convert to fraction form
13,254,204.96/18,290,911.73 = 7,452,935.96/x - Step 3: Cross multiply
13,254,204.96x = 18,290,911.73 × 7,452,935.96 - Step 4: Simplify right side
13,254,204.96x = 136,320,993,644,983.58 - Step 5: Solve for x
x = 136,320,993,644,983.58/13,254,204.96 - Step 6: Final answer
x = 10,285,112.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.