Finding the Fourth Proportional to 31,335,490.62, 43,243,133.57 and 19,581,584.11
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Solution
The fourth proportional to 31,335,490.62, 43,243,133.57 and 19,581,584.11 is: 27,022,683.88
Step by Step Solution
- Step 1: Write the proportion equation
31,335,490.62 : 43,243,133.57 = 19,581,584.11 : x - Step 2: Convert to fraction form
31,335,490.62/43,243,133.57 = 19,581,584.11/x - Step 3: Cross multiply
31,335,490.62x = 43,243,133.57 × 19,581,584.11 - Step 4: Simplify right side
31,335,490.62x = 846,769,057,180,919.50 - Step 5: Solve for x
x = 846,769,057,180,919.50/31,335,490.62 - Step 6: Final answer
x = 27,022,683.88
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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.