Finding the Fourth Proportional to 10,861,854.50, 16,294,879.84 and 4,129,745.06
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Solution
The fourth proportional to 10,861,854.50, 16,294,879.84 and 4,129,745.06 is: 6,195,415.30
Step by Step Solution
- Step 1: Write the proportion equation
10,861,854.50 : 16,294,879.84 = 4,129,745.06 : x - Step 2: Convert to fraction form
10,861,854.50/16,294,879.84 = 4,129,745.06/x - Step 3: Cross multiply
10,861,854.50x = 16,294,879.84 × 4,129,745.06 - Step 4: Simplify right side
10,861,854.50x = 67,293,699,522,533.59 - Step 5: Solve for x
x = 67,293,699,522,533.59/10,861,854.50 - Step 6: Final answer
x = 6,195,415.30
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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.