Finding the Fourth Proportional to 27,727,102.32, 38,260,455.60 and 15,335,226.84
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Solution
The fourth proportional to 27,727,102.32, 38,260,455.60 and 15,335,226.84 is: 21,160,983.89
Step by Step Solution
- Step 1: Write the proportion equation
27,727,102.32 : 38,260,455.60 = 15,335,226.84 : x - Step 2: Convert to fraction form
27,727,102.32/38,260,455.60 = 15,335,226.84/x - Step 3: Cross multiply
27,727,102.32x = 38,260,455.60 × 15,335,226.84 - Step 4: Simplify right side
27,727,102.32x = 586,732,765,627,748.38 - Step 5: Solve for x
x = 586,732,765,627,748.38/27,727,102.32 - Step 6: Final answer
x = 21,160,983.89
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1.5x scale
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.