Finding the Fourth Proportional to 7,284,480.77, 10,052,319.98 and 4,021,225.44
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Solution
The fourth proportional to 7,284,480.77, 10,052,319.98 and 4,021,225.44 is: 5,549,145.65
Step by Step Solution
- Step 1: Write the proportion equation
7,284,480.77 : 10,052,319.98 = 4,021,225.44 : x - Step 2: Convert to fraction form
7,284,480.77/10,052,319.98 = 4,021,225.44/x - Step 3: Cross multiply
7,284,480.77x = 10,052,319.98 × 4,021,225.44 - Step 4: Simplify right side
7,284,480.77x = 40,422,644,806,953.16 - Step 5: Solve for x
x = 40,422,644,806,953.16/7,284,480.77 - Step 6: Final answer
x = 5,549,145.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.