Finding the Fourth Proportional to 7,776,351.70, 11,664,527.55 and 7,303,959.70
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Solution
The fourth proportional to 7,776,351.70, 11,664,527.55 and 7,303,959.70 is: 10,955,939.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,351.70 : 11,664,527.55 = 7,303,959.70 : x - Step 2: Convert to fraction form
7,776,351.70/11,664,527.55 = 7,303,959.70/x - Step 3: Cross multiply
7,776,351.70x = 11,664,527.55 × 7,303,959.70 - Step 4: Simplify right side
7,776,351.70x = 85,197,239,144,739.75 - Step 5: Solve for x
x = 85,197,239,144,739.75/7,776,351.70 - Step 6: Final answer
x = 10,955,939.55
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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.