Finding the Fourth Proportional to 7,417,759.74, 11,128,238.10 and 2,300,086.68
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Solution
The fourth proportional to 7,417,759.74, 11,128,238.10 and 2,300,086.68 is: 3,450,625.68
Step by Step Solution
- Step 1: Write the proportion equation
7,417,759.74 : 11,128,238.10 = 2,300,086.68 : x - Step 2: Convert to fraction form
7,417,759.74/11,128,238.10 = 2,300,086.68/x - Step 3: Cross multiply
7,417,759.74x = 11,128,238.10 × 2,300,086.68 - Step 4: Simplify right side
7,417,759.74x = 25,595,912,225,678.51 - Step 5: Solve for x
x = 25,595,912,225,678.51/7,417,759.74 - Step 6: Final answer
x = 3,450,625.68
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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.