Finding the Fourth Proportional to 27,286,959.20, 40,936,343.70 and 8,119,653.80
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Solution
The fourth proportional to 27,286,959.20, 40,936,343.70 and 8,119,653.80 is: 12,181,237.79
Step by Step Solution
- Step 1: Write the proportion equation
27,286,959.20 : 40,936,343.70 = 8,119,653.80 : x - Step 2: Convert to fraction form
27,286,959.20/40,936,343.70 = 8,119,653.80/x - Step 3: Cross multiply
27,286,959.20x = 40,936,343.70 × 8,119,653.80 - Step 4: Simplify right side
27,286,959.20x = 332,388,938,681,811.06 - Step 5: Solve for x
x = 332,388,938,681,811.06/27,286,959.20 - Step 6: Final answer
x = 12,181,237.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.