Finding the Fourth Proportional to 26,538,346.36, 39,793,249.29 and 15,612,313.06
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Solution
The fourth proportional to 26,538,346.36, 39,793,249.29 and 15,612,313.06 is: 23,410,074.51
Step by Step Solution
- Step 1: Write the proportion equation
26,538,346.36 : 39,793,249.29 = 15,612,313.06 : x - Step 2: Convert to fraction form
26,538,346.36/39,793,249.29 = 15,612,313.06/x - Step 3: Cross multiply
26,538,346.36x = 39,793,249.29 × 15,612,313.06 - Step 4: Simplify right side
26,538,346.36x = 621,264,665,590,102.75 - Step 5: Solve for x
x = 621,264,665,590,102.75/26,538,346.36 - Step 6: Final answer
x = 23,410,074.51
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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.