Finding the Fourth Proportional to 27,553,076.96, 38,023,235.21 and 15,163,170.39
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Solution
The fourth proportional to 27,553,076.96, 38,023,235.21 and 15,163,170.39 is: 20,925,169.09
Step by Step Solution
- Step 1: Write the proportion equation
27,553,076.96 : 38,023,235.21 = 15,163,170.39 : x - Step 2: Convert to fraction form
27,553,076.96/38,023,235.21 = 15,163,170.39/x - Step 3: Cross multiply
27,553,076.96x = 38,023,235.21 × 15,163,170.39 - Step 4: Simplify right side
27,553,076.96x = 576,552,794,192,461.62 - Step 5: Solve for x
x = 576,552,794,192,461.62/27,553,076.96 - Step 6: Final answer
x = 20,925,169.09
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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.