Finding the Fourth Proportional to 11,230,230.80, 16,845,346.20 and 6,128,397.20
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Solution
The fourth proportional to 11,230,230.80, 16,845,346.20 and 6,128,397.20 is: 9,192,595.80
Step by Step Solution
- Step 1: Write the proportion equation
11,230,230.80 : 16,845,346.20 = 6,128,397.20 : x - Step 2: Convert to fraction form
11,230,230.80/16,845,346.20 = 6,128,397.20/x - Step 3: Cross multiply
11,230,230.80x = 16,845,346.20 × 6,128,397.20 - Step 4: Simplify right side
11,230,230.80x = 103,234,972,485,110.64 - Step 5: Solve for x
x = 103,234,972,485,110.64/11,230,230.80 - Step 6: Final answer
x = 9,192,595.80
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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.