Finding the Fourth Proportional to 7,912,720.36, 11,870,032.38 and 2,794,097.08
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Solution
The fourth proportional to 7,912,720.36, 11,870,032.38 and 2,794,097.08 is: 4,191,481.73
Step by Step Solution
- Step 1: Write the proportion equation
7,912,720.36 : 11,870,032.38 = 2,794,097.08 : x - Step 2: Convert to fraction form
7,912,720.36/11,870,032.38 = 2,794,097.08/x - Step 3: Cross multiply
7,912,720.36x = 11,870,032.38 × 2,794,097.08 - Step 4: Simplify right side
7,912,720.36x = 33,166,022,812,463.45 - Step 5: Solve for x
x = 33,166,022,812,463.45/7,912,720.36 - Step 6: Final answer
x = 4,191,481.73
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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.