Finding the Fourth Proportional to 10,765,460.80, 16,129,911.20 and 6,496,659.20
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Solution
The fourth proportional to 10,765,460.80, 16,129,911.20 and 6,496,659.20 is: 9,733,957.32
Step by Step Solution
- Step 1: Write the proportion equation
10,765,460.80 : 16,129,911.20 = 6,496,659.20 : x - Step 2: Convert to fraction form
10,765,460.80/16,129,911.20 = 6,496,659.20/x - Step 3: Cross multiply
10,765,460.80x = 16,129,911.20 × 6,496,659.20 - Step 4: Simplify right side
10,765,460.80x = 104,790,535,992,663.03 - Step 5: Solve for x
x = 104,790,535,992,663.03/10,765,460.80 - Step 6: Final answer
x = 9,733,957.32
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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.