Finding the Fourth Proportional to 18,228,471.90, 27,353,205.45 and 6,877,067.10
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Solution
The fourth proportional to 18,228,471.90, 27,353,205.45 and 6,877,067.10 is: 10,319,561.09
Step by Step Solution
- Step 1: Write the proportion equation
18,228,471.90 : 27,353,205.45 = 6,877,067.10 : x - Step 2: Convert to fraction form
18,228,471.90/27,353,205.45 = 6,877,067.10/x - Step 3: Cross multiply
18,228,471.90x = 27,353,205.45 × 6,877,067.10 - Step 4: Simplify right side
18,228,471.90x = 188,109,829,279,735.69 - Step 5: Solve for x
x = 188,109,829,279,735.69/18,228,471.90 - Step 6: Final answer
x = 10,319,561.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.