Finding the Fourth Proportional to 38,238,986.08, 57,364,178.28 and 13,644,995.68
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Solution
The fourth proportional to 38,238,986.08, 57,364,178.28 and 13,644,995.68 is: 20,469,527.18
Step by Step Solution
- Step 1: Write the proportion equation
38,238,986.08 : 57,364,178.28 = 13,644,995.68 : x - Step 2: Convert to fraction form
38,238,986.08/57,364,178.28 = 13,644,995.68/x - Step 3: Cross multiply
38,238,986.08x = 57,364,178.28 × 13,644,995.68 - Step 4: Simplify right side
38,238,986.08x = 782,733,964,817,349.88 - Step 5: Solve for x
x = 782,733,964,817,349.88/38,238,986.08 - Step 6: Final answer
x = 20,469,527.18
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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.