Finding the Fourth Proportional to 14,375,079.28, 19,837,343.37 and 8,179,988.68
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Solution
The fourth proportional to 14,375,079.28, 19,837,343.37 and 8,179,988.68 is: 11,288,232.99
Step by Step Solution
- Step 1: Write the proportion equation
14,375,079.28 : 19,837,343.37 = 8,179,988.68 : x - Step 2: Convert to fraction form
14,375,079.28/19,837,343.37 = 8,179,988.68/x - Step 3: Cross multiply
14,375,079.28x = 19,837,343.37 × 8,179,988.68 - Step 4: Simplify right side
14,375,079.28x = 162,269,244,207,873.06 - Step 5: Solve for x
x = 162,269,244,207,873.06/14,375,079.28 - Step 6: Final answer
x = 11,288,232.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.