Finding the Fourth Proportional to 48,216,878.28, 66,544,811.76 and 27,029,380.49
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Solution
The fourth proportional to 48,216,878.28, 66,544,811.76 and 27,029,380.49 is: 37,303,639.33
Step by Step Solution
- Step 1: Write the proportion equation
48,216,878.28 : 66,544,811.76 = 27,029,380.49 : x - Step 2: Convert to fraction form
48,216,878.28/66,544,811.76 = 27,029,380.49/x - Step 3: Cross multiply
48,216,878.28x = 66,544,811.76 × 27,029,380.49 - Step 4: Simplify right side
48,216,878.28x = 1,798,665,036,981,811.50 - Step 5: Solve for x
x = 1,798,665,036,981,811.50/48,216,878.28 - Step 6: Final answer
x = 37,303,639.33
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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.