Finding the Fourth Proportional to 12,316,619.31, 16,993,201.59 and 8,595,351.33
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Solution
The fourth proportional to 12,316,619.31, 16,993,201.59 and 8,595,351.33 is: 11,858,979.66
Step by Step Solution
- Step 1: Write the proportion equation
12,316,619.31 : 16,993,201.59 = 8,595,351.33 : x - Step 2: Convert to fraction form
12,316,619.31/16,993,201.59 = 8,595,351.33/x - Step 3: Cross multiply
12,316,619.31x = 16,993,201.59 × 8,595,351.33 - Step 4: Simplify right side
12,316,619.31x = 146,062,537,887,564.62 - Step 5: Solve for x
x = 146,062,537,887,564.62/12,316,619.31 - Step 6: Final answer
x = 11,858,979.66
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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.