Finding the Fourth Proportional to 21,546,809.16, 29,735,313.30 and 11,757,790.28
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Solution
The fourth proportional to 21,546,809.16, 29,735,313.30 and 11,757,790.28 is: 16,226,141.66
Step by Step Solution
- Step 1: Write the proportion equation
21,546,809.16 : 29,735,313.30 = 11,757,790.28 : x - Step 2: Convert to fraction form
21,546,809.16/29,735,313.30 = 11,757,790.28/x - Step 3: Cross multiply
21,546,809.16x = 29,735,313.30 × 11,757,790.28 - Step 4: Simplify right side
21,546,809.16x = 349,621,577,691,494.69 - Step 5: Solve for x
x = 349,621,577,691,494.69/21,546,809.16 - Step 6: Final answer
x = 16,226,141.66
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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.