Finding the Fourth Proportional to 6,378,278.66, 9,571,901.36 and 5,768,450.13
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Solution
The fourth proportional to 6,378,278.66, 9,571,901.36 and 5,768,450.13 is: 8,656,729.91
Step by Step Solution
- Step 1: Write the proportion equation
6,378,278.66 : 9,571,901.36 = 5,768,450.13 : x - Step 2: Convert to fraction form
6,378,278.66/9,571,901.36 = 5,768,450.13/x - Step 3: Cross multiply
6,378,278.66x = 9,571,901.36 × 5,768,450.13 - Step 4: Simplify right side
6,378,278.66x = 55,215,035,615,596.93 - Step 5: Solve for x
x = 55,215,035,615,596.93/6,378,278.66 - Step 6: Final answer
x = 8,656,729.91
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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.