Finding the Fourth Proportional to 13,040,800.36, 19,535,753.50 and 8,539,429.48
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Solution
The fourth proportional to 13,040,800.36, 19,535,753.50 and 8,539,429.48 is: 12,792,480.89
Step by Step Solution
- Step 1: Write the proportion equation
13,040,800.36 : 19,535,753.50 = 8,539,429.48 : x - Step 2: Convert to fraction form
13,040,800.36/19,535,753.50 = 8,539,429.48/x - Step 3: Cross multiply
13,040,800.36x = 19,535,753.50 × 8,539,429.48 - Step 4: Simplify right side
13,040,800.36x = 166,824,189,351,913.19 - Step 5: Solve for x
x = 166,824,189,351,913.19/13,040,800.36 - Step 6: Final answer
x = 12,792,480.89
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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.