Finding the Fourth Proportional to 7,339,283.40, 11,010,674.70 and 3,549,649.80
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Solution
The fourth proportional to 7,339,283.40, 11,010,674.70 and 3,549,649.80 is: 5,325,320.90
Step by Step Solution
- Step 1: Write the proportion equation
7,339,283.40 : 11,010,674.70 = 3,549,649.80 : x - Step 2: Convert to fraction form
7,339,283.40/11,010,674.70 = 3,549,649.80/x - Step 3: Cross multiply
7,339,283.40x = 11,010,674.70 × 3,549,649.80 - Step 4: Simplify right side
7,339,283.40x = 39,084,039,246,720.05 - Step 5: Solve for x
x = 39,084,039,246,720.05/7,339,283.40 - Step 6: Final answer
x = 5,325,320.90
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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.