Finding the Fourth Proportional to 12,292,380.99, 16,964,424.14 and 6,786,815.85
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Solution
The fourth proportional to 12,292,380.99, 16,964,424.14 and 6,786,815.85 is: 9,366,323.96
Step by Step Solution
- Step 1: Write the proportion equation
12,292,380.99 : 16,964,424.14 = 6,786,815.85 : x - Step 2: Convert to fraction form
12,292,380.99/16,964,424.14 = 6,786,815.85/x - Step 3: Cross multiply
12,292,380.99x = 16,964,424.14 × 6,786,815.85 - Step 4: Simplify right side
12,292,380.99x = 115,134,422,605,540.55 - Step 5: Solve for x
x = 115,134,422,605,540.55/12,292,380.99 - Step 6: Final answer
x = 9,366,323.96
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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.