Finding the Fourth Proportional to 14,511,281.22, 20,024,966.75 and 7,895,896.99
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Solution
The fourth proportional to 14,511,281.22, 20,024,966.75 and 7,895,896.99 is: 10,896,010.64
Step by Step Solution
- Step 1: Write the proportion equation
14,511,281.22 : 20,024,966.75 = 7,895,896.99 : x - Step 2: Convert to fraction form
14,511,281.22/20,024,966.75 = 7,895,896.99/x - Step 3: Cross multiply
14,511,281.22x = 20,024,966.75 × 7,895,896.99 - Step 4: Simplify right side
14,511,281.22x = 158,115,074,596,633.19 - Step 5: Solve for x
x = 158,115,074,596,633.19/14,511,281.22 - Step 6: Final answer
x = 10,896,010.64
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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.