Finding the Fourth Proportional to 6,763,920.98, 10,135,245.36 and 5,230,659.02
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Solution
The fourth proportional to 6,763,920.98, 10,135,245.36 and 5,230,659.02 is: 7,837,763.44
Step by Step Solution
- Step 1: Write the proportion equation
6,763,920.98 : 10,135,245.36 = 5,230,659.02 : x - Step 2: Convert to fraction form
6,763,920.98/10,135,245.36 = 5,230,659.02/x - Step 3: Cross multiply
6,763,920.98x = 10,135,245.36 × 5,230,659.02 - Step 4: Simplify right side
6,763,920.98x = 53,014,012,562,197.14 - Step 5: Solve for x
x = 53,014,012,562,197.14/6,763,920.98 - Step 6: Final answer
x = 7,837,763.44
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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.