Finding the Fourth Proportional to 30,631,171.24, 42,281,847.21 and 27,362,306.08
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Solution
The fourth proportional to 30,631,171.24, 42,281,847.21 and 27,362,306.08 is: 37,769,657.45
Step by Step Solution
- Step 1: Write the proportion equation
30,631,171.24 : 42,281,847.21 = 27,362,306.08 : x - Step 2: Convert to fraction form
30,631,171.24/42,281,847.21 = 27,362,306.08/x - Step 3: Cross multiply
30,631,171.24x = 42,281,847.21 × 27,362,306.08 - Step 4: Simplify right side
30,631,171.24x = 1,156,928,844,987,814 - Step 5: Solve for x
x = 1,156,928,844,987,814/30,631,171.24 - Step 6: Final answer
x = 37,769,657.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.