Finding the Fourth Proportional to 11,618,032.16, 16,032,561.86 and 6,319,551.69
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Solution
The fourth proportional to 11,618,032.16, 16,032,561.86 and 6,319,551.69 is: 8,720,805.90
Step by Step Solution
- Step 1: Write the proportion equation
11,618,032.16 : 16,032,561.86 = 6,319,551.69 : x - Step 2: Convert to fraction form
11,618,032.16/16,032,561.86 = 6,319,551.69/x - Step 3: Cross multiply
11,618,032.16x = 16,032,561.86 × 6,319,551.69 - Step 4: Simplify right side
11,618,032.16x = 101,318,603,413,191.44 - Step 5: Solve for x
x = 101,318,603,413,191.44/11,618,032.16 - Step 6: Final answer
x = 8,720,805.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.