Finding the Fourth Proportional to 7,284,482.06, 10,052,321.75 and 4,021,226.70
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Solution
The fourth proportional to 7,284,482.06, 10,052,321.75 and 4,021,226.70 is: 5,549,147.39
Step by Step Solution
- Step 1: Write the proportion equation
7,284,482.06 : 10,052,321.75 = 4,021,226.70 : x - Step 2: Convert to fraction form
7,284,482.06/10,052,321.75 = 4,021,226.70/x - Step 3: Cross multiply
7,284,482.06x = 10,052,321.75 × 4,021,226.70 - Step 4: Simplify right side
7,284,482.06x = 40,422,664,575,367.98 - Step 5: Solve for x
x = 40,422,664,575,367.98/7,284,482.06 - Step 6: Final answer
x = 5,549,147.39
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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.