Finding the Fourth Proportional to 21,585,374.20, 32,373,395.70 and 9,454,814.20
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Solution
The fourth proportional to 21,585,374.20, 32,373,395.70 and 9,454,814.20 is: 14,180,177.68
Step by Step Solution
- Step 1: Write the proportion equation
21,585,374.20 : 32,373,395.70 = 9,454,814.20 : x - Step 2: Convert to fraction form
21,585,374.20/32,373,395.70 = 9,454,814.20/x - Step 3: Cross multiply
21,585,374.20x = 32,373,395.70 × 9,454,814.20 - Step 4: Simplify right side
21,585,374.20x = 306,084,441,366,578.94 - Step 5: Solve for x
x = 306,084,441,366,578.94/21,585,374.20 - Step 6: Final answer
x = 14,180,177.68
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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.