Finding the Fourth Proportional to 40,135,409.92, 55,391,460.28 and 22,499,075.84
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Solution
The fourth proportional to 40,135,409.92, 55,391,460.28 and 22,499,075.84 is: 31,051,300.29
Step by Step Solution
- Step 1: Write the proportion equation
40,135,409.92 : 55,391,460.28 = 22,499,075.84 : x - Step 2: Convert to fraction form
40,135,409.92/55,391,460.28 = 22,499,075.84/x - Step 3: Cross multiply
40,135,409.92x = 55,391,460.28 × 22,499,075.84 - Step 4: Simplify right side
40,135,409.92x = 1,246,256,665,728,067.75 - Step 5: Solve for x
x = 1,246,256,665,728,067.75/40,135,409.92 - Step 6: Final answer
x = 31,051,300.29
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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.