Finding the Fourth Proportional to 6,414,968.04, 9,623,888.16 and 2,155,020.09
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Solution
The fourth proportional to 6,414,968.04, 9,623,888.16 and 2,155,020.09 is: 3,233,012.57
Step by Step Solution
- Step 1: Write the proportion equation
6,414,968.04 : 9,623,888.16 = 2,155,020.09 : x - Step 2: Convert to fraction form
6,414,968.04/9,623,888.16 = 2,155,020.09/x - Step 3: Cross multiply
6,414,968.04x = 9,623,888.16 × 2,155,020.09 - Step 4: Simplify right side
6,414,968.04x = 20,739,672,328,713.13 - Step 5: Solve for x
x = 20,739,672,328,713.13/6,414,968.04 - Step 6: Final answer
x = 3,233,012.57
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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.