Finding the Fourth Proportional to 27,780,231.05, 41,656,710.92 and 13,742,242.53
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Solution
The fourth proportional to 27,780,231.05, 41,656,710.92 and 13,742,242.53 is: 20,606,618.55
Step by Step Solution
- Step 1: Write the proportion equation
27,780,231.05 : 41,656,710.92 = 13,742,242.53 : x - Step 2: Convert to fraction form
27,780,231.05/41,656,710.92 = 13,742,242.53/x - Step 3: Cross multiply
27,780,231.05x = 41,656,710.92 × 13,742,242.53 - Step 4: Simplify right side
27,780,231.05x = 572,456,624,396,028.12 - Step 5: Solve for x
x = 572,456,624,396,028.12/27,780,231.05 - Step 6: Final answer
x = 20,606,618.55
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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.