Finding the Fourth Proportional to 6,888,620.16, 10,318,167.99 and 5,603,125.86
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Solution
The fourth proportional to 6,888,620.16, 10,318,167.99 and 5,603,125.86 is: 8,392,681.34
Step by Step Solution
- Step 1: Write the proportion equation
6,888,620.16 : 10,318,167.99 = 5,603,125.86 : x - Step 2: Convert to fraction form
6,888,620.16/10,318,167.99 = 5,603,125.86/x - Step 3: Cross multiply
6,888,620.16x = 10,318,167.99 × 5,603,125.86 - Step 4: Simplify right side
6,888,620.16x = 57,813,993,892,593.23 - Step 5: Solve for x
x = 57,813,993,892,593.23/6,888,620.16 - Step 6: Final answer
x = 8,392,681.34
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1.5x scale
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.