Finding the Fourth Proportional to 19,415,786.01, 29,116,110.28 and 7,278,626.96
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Solution
The fourth proportional to 19,415,786.01, 29,116,110.28 and 7,278,626.96 is: 10,915,103.06
Step by Step Solution
- Step 1: Write the proportion equation
19,415,786.01 : 29,116,110.28 = 7,278,626.96 : x - Step 2: Convert to fraction form
19,415,786.01/29,116,110.28 = 7,278,626.96/x - Step 3: Cross multiply
19,415,786.01x = 29,116,110.28 × 7,278,626.96 - Step 4: Simplify right side
19,415,786.01x = 211,925,305,254,341.16 - Step 5: Solve for x
x = 211,925,305,254,341.16/19,415,786.01 - Step 6: Final answer
x = 10,915,103.06
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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.