Finding the Fourth Proportional to 21,537,470.06, 32,299,214.79 and 7,156,678.22
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Solution
The fourth proportional to 21,537,470.06, 32,299,214.79 and 7,156,678.22 is: 10,732,694.53
Step by Step Solution
- Step 1: Write the proportion equation
21,537,470.06 : 32,299,214.79 = 7,156,678.22 : x - Step 2: Convert to fraction form
21,537,470.06/32,299,214.79 = 7,156,678.22/x - Step 3: Cross multiply
21,537,470.06x = 32,299,214.79 × 7,156,678.22 - Step 4: Simplify right side
21,537,470.06x = 231,155,087,010,694.84 - Step 5: Solve for x
x = 231,155,087,010,694.84/21,537,470.06 - Step 6: Final answer
x = 10,732,694.53
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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.