Finding the Fourth Proportional to 18,127,800.80, 27,181,762.36 and 7,186,906.83
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Solution
The fourth proportional to 18,127,800.80, 27,181,762.36 and 7,186,906.83 is: 10,776,419.92
Step by Step Solution
- Step 1: Write the proportion equation
18,127,800.80 : 27,181,762.36 = 7,186,906.83 : x - Step 2: Convert to fraction form
18,127,800.80/27,181,762.36 = 7,186,906.83/x - Step 3: Cross multiply
18,127,800.80x = 27,181,762.36 × 7,186,906.83 - Step 4: Simplify right side
18,127,800.80x = 195,352,793,538,553.66 - Step 5: Solve for x
x = 195,352,793,538,553.66/18,127,800.80 - Step 6: Final answer
x = 10,776,419.92
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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.