Finding the Fourth Proportional to 16,015,587.47, 22,101,392.84 and 8,673,250.28
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Solution
The fourth proportional to 16,015,587.47, 22,101,392.84 and 8,673,250.28 is: 11,969,021.55
Step by Step Solution
- Step 1: Write the proportion equation
16,015,587.47 : 22,101,392.84 = 8,673,250.28 : x - Step 2: Convert to fraction form
16,015,587.47/22,101,392.84 = 8,673,250.28/x - Step 3: Cross multiply
16,015,587.47x = 22,101,392.84 × 8,673,250.28 - Step 4: Simplify right side
16,015,587.47x = 191,690,911,560,983.38 - Step 5: Solve for x
x = 191,690,911,560,983.38/16,015,587.47 - Step 6: Final answer
x = 11,969,021.55
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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.