Finding the Fourth Proportional to 7,460,868.48, 11,191,301.70 and 2,069,519.14
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Solution
The fourth proportional to 7,460,868.48, 11,191,301.70 and 2,069,519.14 is: 3,104,278.43
Step by Step Solution
- Step 1: Write the proportion equation
7,460,868.48 : 11,191,301.70 = 2,069,519.14 : x - Step 2: Convert to fraction form
7,460,868.48/11,191,301.70 = 2,069,519.14/x - Step 3: Cross multiply
7,460,868.48x = 11,191,301.70 × 2,069,519.14 - Step 4: Simplify right side
7,460,868.48x = 23,160,613,069,664.54 - Step 5: Solve for x
x = 23,160,613,069,664.54/7,460,868.48 - Step 6: Final answer
x = 3,104,278.43
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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.