Finding the Fourth Proportional to 19,505,889.75, 26,918,127.36 and 10,804,622.91
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Solution
The fourth proportional to 19,505,889.75, 26,918,127.36 and 10,804,622.91 is: 14,910,379.33
Step by Step Solution
- Step 1: Write the proportion equation
19,505,889.75 : 26,918,127.36 = 10,804,622.91 : x - Step 2: Convert to fraction form
19,505,889.75/26,918,127.36 = 10,804,622.91/x - Step 3: Cross multiply
19,505,889.75x = 26,918,127.36 × 10,804,622.91 - Step 4: Simplify right side
19,505,889.75x = 290,840,215,467,210.81 - Step 5: Solve for x
x = 290,840,215,467,210.81/19,505,889.75 - Step 6: Final answer
x = 14,910,379.33
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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.