Finding the Fourth Proportional to 7,145,912.22, 10,711,374.21 and 3,497,611.68
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Solution
The fourth proportional to 7,145,912.22, 10,711,374.21 and 3,497,611.68 is: 5,242,749.48
Step by Step Solution
- Step 1: Write the proportion equation
7,145,912.22 : 10,711,374.21 = 3,497,611.68 : x - Step 2: Convert to fraction form
7,145,912.22/10,711,374.21 = 3,497,611.68/x - Step 3: Cross multiply
7,145,912.22x = 10,711,374.21 × 3,497,611.68 - Step 4: Simplify right side
7,145,912.22x = 37,464,227,545,746.78 - Step 5: Solve for x
x = 37,464,227,545,746.78/7,145,912.22 - Step 6: Final answer
x = 5,242,749.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.