Finding the Fourth Proportional to 21,727,097.80, 32,590,646.70 and 9,783,161.80
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Solution
The fourth proportional to 21,727,097.80, 32,590,646.70 and 9,783,161.80 is: 14,674,742.70
Step by Step Solution
- Step 1: Write the proportion equation
21,727,097.80 : 32,590,646.70 = 9,783,161.80 : x - Step 2: Convert to fraction form
21,727,097.80/32,590,646.70 = 9,783,161.80/x - Step 3: Cross multiply
21,727,097.80x = 32,590,646.70 × 9,783,161.80 - Step 4: Simplify right side
21,727,097.80x = 318,839,569,832,736.06 - Step 5: Solve for x
x = 318,839,569,832,736.06/21,727,097.80 - Step 6: Final answer
x = 14,674,742.70
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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.