Finding the Fourth Proportional to 10,861,854.75, 16,294,880.21 and 4,129,745.31
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Solution
The fourth proportional to 10,861,854.75, 16,294,880.21 and 4,129,745.31 is: 6,195,415.67
Step by Step Solution
- Step 1: Write the proportion equation
10,861,854.75 : 16,294,880.21 = 4,129,745.31 : x - Step 2: Convert to fraction form
10,861,854.75/16,294,880.21 = 4,129,745.31/x - Step 3: Cross multiply
10,861,854.75x = 16,294,880.21 × 4,129,745.31 - Step 4: Simplify right side
10,861,854.75x = 67,293,705,103,610.59 - Step 5: Solve for x
x = 67,293,705,103,610.59/10,861,854.75 - Step 6: Final answer
x = 6,195,415.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.