Finding the Fourth Proportional to 49,405,402.07, 68,178,622.47 and 27,378,856.61
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Solution
The fourth proportional to 49,405,402.07, 68,178,622.47 and 27,378,856.61 is: 37,782,360.84
Step by Step Solution
- Step 1: Write the proportion equation
49,405,402.07 : 68,178,622.47 = 27,378,856.61 : x - Step 2: Convert to fraction form
49,405,402.07/68,178,622.47 = 27,378,856.61/x - Step 3: Cross multiply
49,405,402.07x = 68,178,622.47 × 27,378,856.61 - Step 4: Simplify right side
49,405,402.07x = 1,866,652,728,132,561 - Step 5: Solve for x
x = 1,866,652,728,132,561/49,405,402.07 - Step 6: Final answer
x = 37,782,360.84
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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.