Finding the Fourth Proportional to 10,927,313.67, 15,080,719.01 and 8,169,224.79
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Solution
The fourth proportional to 10,927,313.67, 15,080,719.01 and 8,169,224.79 is: 11,274,297.35
Step by Step Solution
- Step 1: Write the proportion equation
10,927,313.67 : 15,080,719.01 = 8,169,224.79 : x - Step 2: Convert to fraction form
10,927,313.67/15,080,719.01 = 8,169,224.79/x - Step 3: Cross multiply
10,927,313.67x = 15,080,719.01 × 8,169,224.79 - Step 4: Simplify right side
10,927,313.67x = 123,197,783,546,670.14 - Step 5: Solve for x
x = 123,197,783,546,670.14/10,927,313.67 - Step 6: Final answer
x = 11,274,297.35
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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.