Finding the Fourth Proportional to 7,630,907.28, 11,435,728.68 and 5,735,438.16
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Solution
The fourth proportional to 7,630,907.28, 11,435,728.68 and 5,735,438.16 is: 8,595,165.98
Step by Step Solution
- Step 1: Write the proportion equation
7,630,907.28 : 11,435,728.68 = 5,735,438.16 : x - Step 2: Convert to fraction form
7,630,907.28/11,435,728.68 = 5,735,438.16/x - Step 3: Cross multiply
7,630,907.28x = 11,435,728.68 × 5,735,438.16 - Step 4: Simplify right side
7,630,907.28x = 65,588,914,658,678.43 - Step 5: Solve for x
x = 65,588,914,658,678.43/7,630,907.28 - Step 6: Final answer
x = 8,595,165.98
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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.