Finding the Fourth Proportional to 13,263,562.73, 18,303,529.08 and 7,462,330.63
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Solution
The fourth proportional to 13,263,562.73, 18,303,529.08 and 7,462,330.63 is: 10,297,910.79
Step by Step Solution
- Step 1: Write the proportion equation
13,263,562.73 : 18,303,529.08 = 7,462,330.63 : x - Step 2: Convert to fraction form
13,263,562.73/18,303,529.08 = 7,462,330.63/x - Step 3: Cross multiply
13,263,562.73x = 18,303,529.08 × 7,462,330.63 - Step 4: Simplify right side
13,263,562.73x = 136,586,985,690,779.70 - Step 5: Solve for x
x = 136,586,985,690,779.70/13,263,562.73 - Step 6: Final answer
x = 10,297,910.79
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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.