Finding the Fourth Proportional to 12,226,676.45, 18,338,890.19 and 4,138,727.63
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Solution
The fourth proportional to 12,226,676.45, 18,338,890.19 and 4,138,727.63 is: 6,207,710.80
Step by Step Solution
- Step 1: Write the proportion equation
12,226,676.45 : 18,338,890.19 = 4,138,727.63 : x - Step 2: Convert to fraction form
12,226,676.45/18,338,890.19 = 4,138,727.63/x - Step 3: Cross multiply
12,226,676.45x = 18,338,890.19 × 4,138,727.63 - Step 4: Simplify right side
12,226,676.45x = 75,899,671,420,500.86 - Step 5: Solve for x
x = 75,899,671,420,500.86/12,226,676.45 - Step 6: Final answer
x = 6,207,710.80
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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.