Finding the Fourth Proportional to 27,843,489.84, 38,422,052.28 and 15,454,213.68
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Solution
The fourth proportional to 27,843,489.84, 38,422,052.28 and 15,454,213.68 is: 21,325,724.95
Step by Step Solution
- Step 1: Write the proportion equation
27,843,489.84 : 38,422,052.28 = 15,454,213.68 : x - Step 2: Convert to fraction form
27,843,489.84/38,422,052.28 = 15,454,213.68/x - Step 3: Cross multiply
27,843,489.84x = 38,422,052.28 × 15,454,213.68 - Step 4: Simplify right side
27,843,489.84x = 593,782,605,959,251.25 - Step 5: Solve for x
x = 593,782,605,959,251.25/27,843,489.84 - Step 6: Final answer
x = 21,325,724.95
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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.