Finding the Fourth Proportional to 11,943,382.74, 17,912,121.64 and 5,119,182.06
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Solution
The fourth proportional to 11,943,382.74, 17,912,121.64 and 5,119,182.06 is: 7,677,507.60
Step by Step Solution
- Step 1: Write the proportion equation
11,943,382.74 : 17,912,121.64 = 5,119,182.06 : x - Step 2: Convert to fraction form
11,943,382.74/17,912,121.64 = 5,119,182.06/x - Step 3: Cross multiply
11,943,382.74x = 17,912,121.64 × 5,119,182.06 - Step 4: Simplify right side
11,943,382.74x = 91,695,411,676,057.38 - Step 5: Solve for x
x = 91,695,411,676,057.38/11,943,382.74 - Step 6: Final answer
x = 7,677,507.60
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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.