Finding the Fourth Proportional to 13,536,708.04, 18,670,099.62 and 8,382,930.76
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Solution
The fourth proportional to 13,536,708.04, 18,670,099.62 and 8,382,930.76 is: 11,561,906.48
Step by Step Solution
- Step 1: Write the proportion equation
13,536,708.04 : 18,670,099.62 = 8,382,930.76 : x - Step 2: Convert to fraction form
13,536,708.04/18,670,099.62 = 8,382,930.76/x - Step 3: Cross multiply
13,536,708.04x = 18,670,099.62 × 8,382,930.76 - Step 4: Simplify right side
13,536,708.04x = 156,510,152,396,762.31 - Step 5: Solve for x
x = 156,510,152,396,762.31/13,536,708.04 - Step 6: Final answer
x = 11,561,906.48
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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.