Finding the Fourth Proportional to 13,193,023.41, 19,767,647.35 and 9,335,721.33
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Solution
The fourth proportional to 13,193,023.41, 19,767,647.35 and 9,335,721.33 is: 13,988,093.65
Step by Step Solution
- Step 1: Write the proportion equation
13,193,023.41 : 19,767,647.35 = 9,335,721.33 : x - Step 2: Convert to fraction form
13,193,023.41/19,767,647.35 = 9,335,721.33/x - Step 3: Cross multiply
13,193,023.41x = 19,767,647.35 × 9,335,721.33 - Step 4: Simplify right side
13,193,023.41x = 184,545,247,009,313 - Step 5: Solve for x
x = 184,545,247,009,313/13,193,023.41 - Step 6: Final answer
x = 13,988,093.65
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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.