Finding the Fourth Proportional to 12,395,252.80, 18,592,879.20 and 4,817,297.80
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Solution
The fourth proportional to 12,395,252.80, 18,592,879.20 and 4,817,297.80 is: 7,225,946.70
Step by Step Solution
- Step 1: Write the proportion equation
12,395,252.80 : 18,592,879.20 = 4,817,297.80 : x - Step 2: Convert to fraction form
12,395,252.80/18,592,879.20 = 4,817,297.80/x - Step 3: Cross multiply
12,395,252.80x = 18,592,879.20 × 4,817,297.80 - Step 4: Simplify right side
12,395,252.80x = 89,567,436,065,825.75 - Step 5: Solve for x
x = 89,567,436,065,825.75/12,395,252.80 - Step 6: Final answer
x = 7,225,946.70
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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.