Finding the Fourth Proportional to 9,864,910.20, 14,797,365.30 and 6,286,540.80
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Solution
The fourth proportional to 9,864,910.20, 14,797,365.30 and 6,286,540.80 is: 9,429,811.20
Step by Step Solution
- Step 1: Write the proportion equation
9,864,910.20 : 14,797,365.30 = 6,286,540.80 : x - Step 2: Convert to fraction form
9,864,910.20/14,797,365.30 = 6,286,540.80/x - Step 3: Cross multiply
9,864,910.20x = 14,797,365.30 × 6,286,540.80 - Step 4: Simplify right side
9,864,910.20x = 93,024,240,690,954.23 - Step 5: Solve for x
x = 93,024,240,690,954.23/9,864,910.20 - Step 6: Final answer
x = 9,429,811.20
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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.