Finding the Fourth Proportional to 12,228,890, 16,893,135.28 and 9,797,645.84
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Solution
The fourth proportional to 12,228,890, 16,893,135.28 and 9,797,645.84 is: 13,534,585.44
Step by Step Solution
- Step 1: Write the proportion equation
12,228,890 : 16,893,135.28 = 9,797,645.84 : x - Step 2: Convert to fraction form
12,228,890/16,893,135.28 = 9,797,645.84/x - Step 3: Cross multiply
12,228,890x = 16,893,135.28 × 9,797,645.84 - Step 4: Simplify right side
12,228,890x = 165,512,956,600,649.25 - Step 5: Solve for x
x = 165,512,956,600,649.25/12,228,890 - Step 6: Final answer
x = 13,534,585.44
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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.