Finding the Fourth Proportional to 18,586,919.07, 27,874,090.98 and 7,069,652.19
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Solution
The fourth proportional to 18,586,919.07, 27,874,090.98 and 7,069,652.19 is: 10,602,086.75
Step by Step Solution
- Step 1: Write the proportion equation
18,586,919.07 : 27,874,090.98 = 7,069,652.19 : x - Step 2: Convert to fraction form
18,586,919.07/27,874,090.98 = 7,069,652.19/x - Step 3: Cross multiply
18,586,919.07x = 27,874,090.98 × 7,069,652.19 - Step 4: Simplify right side
18,586,919.07x = 197,060,128,341,016.25 - Step 5: Solve for x
x = 197,060,128,341,016.25/18,586,919.07 - Step 6: Final answer
x = 10,602,086.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.