Finding the Fourth Proportional to 12,115,368.14, 16,719,314.81 and 6,608,767.46
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Solution
The fourth proportional to 12,115,368.14, 16,719,314.81 and 6,608,767.46 is: 9,120,157.33
Step by Step Solution
- Step 1: Write the proportion equation
12,115,368.14 : 16,719,314.81 = 6,608,767.46 : x - Step 2: Convert to fraction form
12,115,368.14/16,719,314.81 = 6,608,767.46/x - Step 3: Cross multiply
12,115,368.14x = 16,719,314.81 × 6,608,767.46 - Step 4: Simplify right side
12,115,368.14x = 110,494,063,553,183.67 - Step 5: Solve for x
x = 110,494,063,553,183.67/12,115,368.14 - Step 6: Final answer
x = 9,120,157.33
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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.