Finding the Fourth Proportional to 7,462,866.81, 11,194,362.89 and 2,071,937.63
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Solution
The fourth proportional to 7,462,866.81, 11,194,362.89 and 2,071,937.63 is: 3,107,923.84
Step by Step Solution
- Step 1: Write the proportion equation
7,462,866.81 : 11,194,362.89 = 2,071,937.63 : x - Step 2: Convert to fraction form
7,462,866.81/11,194,362.89 = 2,071,937.63/x - Step 3: Cross multiply
7,462,866.81x = 11,194,362.89 × 2,071,937.63 - Step 4: Simplify right side
7,462,866.81x = 23,194,021,649,335.05 - Step 5: Solve for x
x = 23,194,021,649,335.05/7,462,866.81 - Step 6: Final answer
x = 3,107,923.84
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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.