Finding the Fourth Proportional to 18,412,323.90, 27,617,487.38 and 5,632,829.70
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Solution
The fourth proportional to 18,412,323.90, 27,617,487.38 and 5,632,829.70 is: 8,448,939.09
Step by Step Solution
- Step 1: Write the proportion equation
18,412,323.90 : 27,617,487.38 = 5,632,829.70 : x - Step 2: Convert to fraction form
18,412,323.90/27,617,487.38 = 5,632,829.70/x - Step 3: Cross multiply
18,412,323.90x = 27,617,487.38 × 5,632,829.70 - Step 4: Simplify right side
18,412,323.90x = 155,564,603,153,439.19 - Step 5: Solve for x
x = 155,564,603,153,439.19/18,412,323.90 - Step 6: Final answer
x = 8,448,939.09
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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.