Finding the Fourth Proportional to 10,917,888.87, 16,368,203.91 and 5,450,177.46
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Solution
The fourth proportional to 10,917,888.87, 16,368,203.91 and 5,450,177.46 is: 8,170,958.42
Step by Step Solution
- Step 1: Write the proportion equation
10,917,888.87 : 16,368,203.91 = 5,450,177.46 : x - Step 2: Convert to fraction form
10,917,888.87/16,368,203.91 = 5,450,177.46/x - Step 3: Cross multiply
10,917,888.87x = 16,368,203.91 × 5,450,177.46 - Step 4: Simplify right side
10,917,888.87x = 89,209,616,010,965.88 - Step 5: Solve for x
x = 89,209,616,010,965.88/10,917,888.87 - Step 6: Final answer
x = 8,170,958.42
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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.