Finding the Fourth Proportional to 10,365,395.49, 15,551,081.73 and 3,177,990.09
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Solution
The fourth proportional to 10,365,395.49, 15,551,081.73 and 3,177,990.09 is: 4,767,901.40
Step by Step Solution
- Step 1: Write the proportion equation
10,365,395.49 : 15,551,081.73 = 3,177,990.09 : x - Step 2: Convert to fraction form
10,365,395.49/15,551,081.73 = 3,177,990.09/x - Step 3: Cross multiply
10,365,395.49x = 15,551,081.73 × 3,177,990.09 - Step 4: Simplify right side
10,365,395.49x = 49,421,183,626,720.05 - Step 5: Solve for x
x = 49,421,183,626,720.05/10,365,395.49 - Step 6: Final answer
x = 4,767,901.40
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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.