Finding the Fourth Proportional to 9,964,830.60, 14,937,841.80 and 5,409,163.80
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Solution
The fourth proportional to 9,964,830.60, 14,937,841.80 and 5,409,163.80 is: 8,108,640.92
Step by Step Solution
- Step 1: Write the proportion equation
9,964,830.60 : 14,937,841.80 = 5,409,163.80 : x - Step 2: Convert to fraction form
9,964,830.60/14,937,841.80 = 5,409,163.80/x - Step 3: Cross multiply
9,964,830.60x = 14,937,841.80 × 5,409,163.80 - Step 4: Simplify right side
9,964,830.60x = 80,801,233,114,686.84 - Step 5: Solve for x
x = 80,801,233,114,686.84/9,964,830.60 - Step 6: Final answer
x = 8,108,640.92
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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.