Finding the Fourth Proportional to 19,695,074.08, 27,179,134.76 and 10,993,171.18
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Solution
The fourth proportional to 19,695,074.08, 27,179,134.76 and 10,993,171.18 is: 15,170,538.57
Step by Step Solution
- Step 1: Write the proportion equation
19,695,074.08 : 27,179,134.76 = 10,993,171.18 : x - Step 2: Convert to fraction form
19,695,074.08/27,179,134.76 = 10,993,171.18/x - Step 3: Cross multiply
19,695,074.08x = 27,179,134.76 × 10,993,171.18 - Step 4: Simplify right side
19,695,074.08x = 298,784,880,940,968.25 - Step 5: Solve for x
x = 298,784,880,940,968.25/19,695,074.08 - Step 6: Final answer
x = 15,170,538.57
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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.