Finding the Fourth Proportional to 12,231,129.80, 18,346,621.80 and 3,133,209.80
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Solution
The fourth proportional to 12,231,129.80, 18,346,621.80 and 3,133,209.80 is: 4,699,796.03
Step by Step Solution
- Step 1: Write the proportion equation
12,231,129.80 : 18,346,621.80 = 3,133,209.80 : x - Step 2: Convert to fraction form
12,231,129.80/18,346,621.80 = 3,133,209.80/x - Step 3: Cross multiply
12,231,129.80x = 18,346,621.80 × 3,133,209.80 - Step 4: Simplify right side
12,231,129.80x = 57,483,815,220,653.64 - Step 5: Solve for x
x = 57,483,815,220,653.64/12,231,129.80 - Step 6: Final answer
x = 4,699,796.03
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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.