Finding the Fourth Proportional to 7,136,842.57, 9,848,852.88 and 3,873,658.14
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Solution
The fourth proportional to 7,136,842.57, 9,848,852.88 and 3,873,658.14 is: 5,345,653.73
Step by Step Solution
- Step 1: Write the proportion equation
7,136,842.57 : 9,848,852.88 = 3,873,658.14 : x - Step 2: Convert to fraction form
7,136,842.57/9,848,852.88 = 3,873,658.14/x - Step 3: Cross multiply
7,136,842.57x = 9,848,852.88 × 3,873,658.14 - Step 4: Simplify right side
7,136,842.57x = 38,151,089,113,748.23 - Step 5: Solve for x
x = 38,151,089,113,748.23/7,136,842.57 - Step 6: Final answer
x = 5,345,653.73
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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.