Finding the Fourth Proportional to 22,928,887.08, 31,642,620.84 and 13,141,207.80
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Solution
The fourth proportional to 22,928,887.08, 31,642,620.84 and 13,141,207.80 is: 18,135,300.43
Step by Step Solution
- Step 1: Write the proportion equation
22,928,887.08 : 31,642,620.84 = 13,141,207.80 : x - Step 2: Convert to fraction form
22,928,887.08/31,642,620.84 = 13,141,207.80/x - Step 3: Cross multiply
22,928,887.08x = 31,642,620.84 × 13,141,207.80 - Step 4: Simplify right side
22,928,887.08x = 415,822,255,795,050.56 - Step 5: Solve for x
x = 415,822,255,795,050.56/22,928,887.08 - Step 6: Final answer
x = 18,135,300.43
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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.