Finding the Fourth Proportional to 7,385,271.02, 11,068,588.07 and 3,742,916.23
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Solution
The fourth proportional to 7,385,271.02, 11,068,588.07 and 3,742,916.23 is: 5,609,651.67
Step by Step Solution
- Step 1: Write the proportion equation
7,385,271.02 : 11,068,588.07 = 3,742,916.23 : x - Step 2: Convert to fraction form
7,385,271.02/11,068,588.07 = 3,742,916.23/x - Step 3: Cross multiply
7,385,271.02x = 11,068,588.07 × 3,742,916.23 - Step 4: Simplify right side
7,385,271.02x = 41,428,797,930,387.38 - Step 5: Solve for x
x = 41,428,797,930,387.38/7,385,271.02 - Step 6: Final answer
x = 5,609,651.67
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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.