Finding the Fourth Proportional to 18,182,810.91, 27,266,190.06 and 6,815,287.92
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Solution
The fourth proportional to 18,182,810.91, 27,266,190.06 and 6,815,287.92 is: 10,219,923.46
Step by Step Solution
- Step 1: Write the proportion equation
18,182,810.91 : 27,266,190.06 = 6,815,287.92 : x - Step 2: Convert to fraction form
18,182,810.91/27,266,190.06 = 6,815,287.92/x - Step 3: Cross multiply
18,182,810.91x = 27,266,190.06 × 6,815,287.92 - Step 4: Simplify right side
18,182,810.91x = 185,826,935,740,342.06 - Step 5: Solve for x
x = 185,826,935,740,342.06/18,182,810.91 - Step 6: Final answer
x = 10,219,923.46
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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.