Finding the Fourth Proportional to 18,149,335.20, 27,223,346.70 and 7,366,331.70
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Solution
The fourth proportional to 18,149,335.20, 27,223,346.70 and 7,366,331.70 is: 11,049,231.26
Step by Step Solution
- Step 1: Write the proportion equation
18,149,335.20 : 27,223,346.70 = 7,366,331.70 : x - Step 2: Convert to fraction form
18,149,335.20/27,223,346.70 = 7,366,331.70/x - Step 3: Cross multiply
18,149,335.20x = 27,223,346.70 × 7,366,331.70 - Step 4: Simplify right side
18,149,335.20x = 200,536,201,776,300.38 - Step 5: Solve for x
x = 200,536,201,776,300.38/18,149,335.20 - Step 6: Final answer
x = 11,049,231.26
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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.