Finding the Fourth Proportional to 38,407,624.70, 53,007,363.81 and 25,187,919.12
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Solution
The fourth proportional to 38,407,624.70, 53,007,363.81 and 25,187,919.12 is: 34,762,503.62
Step by Step Solution
- Step 1: Write the proportion equation
38,407,624.70 : 53,007,363.81 = 25,187,919.12 : x - Step 2: Convert to fraction form
38,407,624.70/53,007,363.81 = 25,187,919.12/x - Step 3: Cross multiply
38,407,624.70x = 53,007,363.81 × 25,187,919.12 - Step 4: Simplify right side
38,407,624.70x = 1,335,145,192,410,695.25 - Step 5: Solve for x
x = 1,335,145,192,410,695.25/38,407,624.70 - Step 6: Final answer
x = 34,762,503.62
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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.