Finding the Fourth Proportional to 7,122,059.88, 10,693,762.38 and 6,165,466.08
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Solution
The fourth proportional to 7,122,059.88, 10,693,762.38 and 6,165,466.08 is: 9,257,438.20
Step by Step Solution
- Step 1: Write the proportion equation
7,122,059.88 : 10,693,762.38 = 6,165,466.08 : x - Step 2: Convert to fraction form
7,122,059.88/10,693,762.38 = 6,165,466.08/x - Step 3: Cross multiply
7,122,059.88x = 10,693,762.38 × 6,165,466.08 - Step 4: Simplify right side
7,122,059.88x = 65,932,029,221,470.08 - Step 5: Solve for x
x = 65,932,029,221,470.08/7,122,059.88 - Step 6: Final answer
x = 9,257,438.20
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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.