Finding the Fourth Proportional to 49,405,403.57, 68,178,624.54 and 27,378,858.11
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Solution
The fourth proportional to 49,405,403.57, 68,178,624.54 and 27,378,858.11 is: 37,782,362.91
Step by Step Solution
- Step 1: Write the proportion equation
49,405,403.57 : 68,178,624.54 = 27,378,858.11 : x - Step 2: Convert to fraction form
49,405,403.57/68,178,624.54 = 27,378,858.11/x - Step 3: Cross multiply
49,405,403.57x = 68,178,624.54 × 27,378,858.11 - Step 4: Simplify right side
49,405,403.57x = 1,866,652,887,074,731 - Step 5: Solve for x
x = 1,866,652,887,074,731/49,405,403.57 - Step 6: Final answer
x = 37,782,362.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.