Finding the Fourth Proportional to 7,224,798.35, 9,960,576.67 and 5,739,578.03
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Solution
The fourth proportional to 7,224,798.35, 9,960,576.67 and 5,739,578.03 is: 7,912,955.39
Step by Step Solution
- Step 1: Write the proportion equation
7,224,798.35 : 9,960,576.67 = 5,739,578.03 : x - Step 2: Convert to fraction form
7,224,798.35/9,960,576.67 = 5,739,578.03/x - Step 3: Cross multiply
7,224,798.35x = 9,960,576.67 × 5,739,578.03 - Step 4: Simplify right side
7,224,798.35x = 57,169,507,015,986.31 - Step 5: Solve for x
x = 57,169,507,015,986.31/7,224,798.35 - Step 6: Final answer
x = 7,912,955.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.