Finding the Fourth Proportional to 11,136,968.28, 15,369,438.69 and 6,242,280.84
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Solution
The fourth proportional to 11,136,968.28, 15,369,438.69 and 6,242,280.84 is: 8,614,584.35
Step by Step Solution
- Step 1: Write the proportion equation
11,136,968.28 : 15,369,438.69 = 6,242,280.84 : x - Step 2: Convert to fraction form
11,136,968.28/15,369,438.69 = 6,242,280.84/x - Step 3: Cross multiply
11,136,968.28x = 15,369,438.69 × 6,242,280.84 - Step 4: Simplify right side
11,136,968.28x = 95,940,352,656,141.69 - Step 5: Solve for x
x = 95,940,352,656,141.69/11,136,968.28 - Step 6: Final answer
x = 8,614,584.35
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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.