Finding the Fourth Proportional to 12,831,651.48, 17,701,743.30 and 11,363,056.68
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Solution
The fourth proportional to 12,831,651.48, 17,701,743.30 and 11,363,056.68 is: 15,675,761.83
Step by Step Solution
- Step 1: Write the proportion equation
12,831,651.48 : 17,701,743.30 = 11,363,056.68 : x - Step 2: Convert to fraction form
12,831,651.48/17,701,743.30 = 11,363,056.68/x - Step 3: Cross multiply
12,831,651.48x = 17,701,743.30 × 11,363,056.68 - Step 4: Simplify right side
12,831,651.48x = 201,145,912,452,710.25 - Step 5: Solve for x
x = 201,145,912,452,710.25/12,831,651.48 - Step 6: Final answer
x = 15,675,761.83
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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.