Finding the Fourth Proportional to 7,136,497.20, 9,848,115.68 and 3,873,246.26
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Solution
The fourth proportional to 7,136,497.20, 9,848,115.68 and 3,873,246.26 is: 5,344,943.89
Step by Step Solution
- Step 1: Write the proportion equation
7,136,497.20 : 9,848,115.68 = 3,873,246.26 : x - Step 2: Convert to fraction form
7,136,497.20/9,848,115.68 = 3,873,246.26/x - Step 3: Cross multiply
7,136,497.20x = 9,848,115.68 × 3,873,246.26 - Step 4: Simplify right side
7,136,497.20x = 38,144,177,157,000.55 - Step 5: Solve for x
x = 38,144,177,157,000.55/7,136,497.20 - Step 6: Final answer
x = 5,344,943.89
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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.