Finding the Fourth Proportional to 10,905,974.36, 15,049,359.65 and 6,322,590.98
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Solution
The fourth proportional to 10,905,974.36, 15,049,359.65 and 6,322,590.98 is: 8,724,662.50
Step by Step Solution
- Step 1: Write the proportion equation
10,905,974.36 : 15,049,359.65 = 6,322,590.98 : x - Step 2: Convert to fraction form
10,905,974.36/15,049,359.65 = 6,322,590.98/x - Step 3: Cross multiply
10,905,974.36x = 15,049,359.65 × 6,322,590.98 - Step 4: Simplify right side
10,905,974.36x = 95,150,945,471,006.20 - Step 5: Solve for x
x = 95,150,945,471,006.20/10,905,974.36 - Step 6: Final answer
x = 8,724,662.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.