Finding the Fourth Proportional to 14,014,291.87, 19,339,724.60 and 7,902,721.99
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Solution
The fourth proportional to 14,014,291.87, 19,339,724.60 and 7,902,721.99 is: 10,905,757.37
Step by Step Solution
- Step 1: Write the proportion equation
14,014,291.87 : 19,339,724.60 = 7,902,721.99 : x - Step 2: Convert to fraction form
14,014,291.87/19,339,724.60 = 7,902,721.99/x - Step 3: Cross multiply
14,014,291.87x = 19,339,724.60 × 7,902,721.99 - Step 4: Simplify right side
14,014,291.87x = 152,836,466,837,450.34 - Step 5: Solve for x
x = 152,836,466,837,450.34/14,014,291.87 - Step 6: Final answer
x = 10,905,757.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.