Finding the Fourth Proportional to 13,856,163.22, 19,120,733.94 and 7,660,851.76
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Solution
The fourth proportional to 13,856,163.22, 19,120,733.94 and 7,660,851.76 is: 10,571,548.99
Step by Step Solution
- Step 1: Write the proportion equation
13,856,163.22 : 19,120,733.94 = 7,660,851.76 : x - Step 2: Convert to fraction form
13,856,163.22/19,120,733.94 = 7,660,851.76/x - Step 3: Cross multiply
13,856,163.22x = 19,120,733.94 × 7,660,851.76 - Step 4: Simplify right side
13,856,163.22x = 146,481,108,256,740.75 - Step 5: Solve for x
x = 146,481,108,256,740.75/13,856,163.22 - Step 6: Final answer
x = 10,571,548.99
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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.