Finding the Fourth Proportional to 17,281,804.80, 23,849,615.16 and 9,939,639.99
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Solution
The fourth proportional to 17,281,804.80, 23,849,615.16 and 9,939,639.99 is: 13,717,119.90
Step by Step Solution
- Step 1: Write the proportion equation
17,281,804.80 : 23,849,615.16 = 9,939,639.99 : x - Step 2: Convert to fraction form
17,281,804.80/23,849,615.16 = 9,939,639.99/x - Step 3: Cross multiply
17,281,804.80x = 23,849,615.16 × 9,939,639.99 - Step 4: Simplify right side
17,281,804.80x = 237,056,588,590,446.25 - Step 5: Solve for x
x = 237,056,588,590,446.25/17,281,804.80 - Step 6: Final answer
x = 13,717,119.90
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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.