Finding the Fourth Proportional to 17,742,912.30, 26,614,368.45 and 8,176,974.30
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Solution
The fourth proportional to 17,742,912.30, 26,614,368.45 and 8,176,974.30 is: 12,265,461.45
Step by Step Solution
- Step 1: Write the proportion equation
17,742,912.30 : 26,614,368.45 = 8,176,974.30 : x - Step 2: Convert to fraction form
17,742,912.30/26,614,368.45 = 8,176,974.30/x - Step 3: Cross multiply
17,742,912.30x = 26,614,368.45 × 8,176,974.30 - Step 4: Simplify right side
17,742,912.30x = 217,625,006,826,380.81 - Step 5: Solve for x
x = 217,625,006,826,380.81/17,742,912.30 - Step 6: Final answer
x = 12,265,461.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.