Finding the Fourth Proportional to 12,316,324.19, 16,992,794.25 and 8,595,056.21
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Solution
The fourth proportional to 12,316,324.19, 16,992,794.25 and 8,595,056.21 is: 11,858,572.37
Step by Step Solution
- Step 1: Write the proportion equation
12,316,324.19 : 16,992,794.25 = 8,595,056.21 : x - Step 2: Convert to fraction form
12,316,324.19/16,992,794.25 = 8,595,056.21/x - Step 3: Cross multiply
12,316,324.19x = 16,992,794.25 × 8,595,056.21 - Step 4: Simplify right side
12,316,324.19x = 146,054,021,658,750.81 - Step 5: Solve for x
x = 146,054,021,658,750.81/12,316,324.19 - Step 6: Final answer
x = 11,858,572.37
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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.