Finding the Fourth Proportional to 37,789,198.65, 56,692,793.63 and 12,230,208.36
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Solution
The fourth proportional to 37,789,198.65, 56,692,793.63 and 12,230,208.36 is: 18,348,223.92
Step by Step Solution
- Step 1: Write the proportion equation
37,789,198.65 : 56,692,793.63 = 12,230,208.36 : x - Step 2: Convert to fraction form
37,789,198.65/56,692,793.63 = 12,230,208.36/x - Step 3: Cross multiply
37,789,198.65x = 56,692,793.63 × 12,230,208.36 - Step 4: Simplify right side
37,789,198.65x = 693,364,678,635,956.25 - Step 5: Solve for x
x = 693,364,678,635,956.25/37,789,198.65 - Step 6: Final answer
x = 18,348,223.92
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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.