Finding the Fourth Proportional to 13,152,804.12, 19,728,763.26 and 4,632,919.08
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Solution
The fourth proportional to 13,152,804.12, 19,728,763.26 and 4,632,919.08 is: 6,949,222.61
Step by Step Solution
- Step 1: Write the proportion equation
13,152,804.12 : 19,728,763.26 = 4,632,919.08 : x - Step 2: Convert to fraction form
13,152,804.12/19,728,763.26 = 4,632,919.08/x - Step 3: Cross multiply
13,152,804.12x = 19,728,763.26 × 4,632,919.08 - Step 4: Simplify right side
13,152,804.12x = 91,401,763,732,057.02 - Step 5: Solve for x
x = 91,401,763,732,057.02/13,152,804.12 - Step 6: Final answer
x = 6,949,222.61
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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.