Finding the Fourth Proportional to 11,840,951.36, 16,340,560.80 and 6,408,441.92
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Solution
The fourth proportional to 11,840,951.36, 16,340,560.80 and 6,408,441.92 is: 8,843,675.79
Step by Step Solution
- Step 1: Write the proportion equation
11,840,951.36 : 16,340,560.80 = 6,408,441.92 : x - Step 2: Convert to fraction form
11,840,951.36/16,340,560.80 = 6,408,441.92/x - Step 3: Cross multiply
11,840,951.36x = 16,340,560.80 × 6,408,441.92 - Step 4: Simplify right side
11,840,951.36x = 104,717,534,827,028.73 - Step 5: Solve for x
x = 104,717,534,827,028.73/11,840,951.36 - Step 6: Final answer
x = 8,843,675.79
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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.