Finding the Fourth Proportional to 12,068,217.24, 18,090,368.64 and 5,667,010.80
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Solution
The fourth proportional to 12,068,217.24, 18,090,368.64 and 5,667,010.80 is: 8,494,901.31
Step by Step Solution
- Step 1: Write the proportion equation
12,068,217.24 : 18,090,368.64 = 5,667,010.80 : x - Step 2: Convert to fraction form
12,068,217.24/18,090,368.64 = 5,667,010.80/x - Step 3: Cross multiply
12,068,217.24x = 18,090,368.64 × 5,667,010.80 - Step 4: Simplify right side
12,068,217.24x = 102,518,314,458,861.31 - Step 5: Solve for x
x = 102,518,314,458,861.31/12,068,217.24 - Step 6: Final answer
x = 8,494,901.31
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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.