Finding the Fourth Proportional to 9,593,015.74, 13,238,394.78 and 5,242,102.12
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Solution
The fourth proportional to 9,593,015.74, 13,238,394.78 and 5,242,102.12 is: 7,234,118.99
Step by Step Solution
- Step 1: Write the proportion equation
9,593,015.74 : 13,238,394.78 = 5,242,102.12 : x - Step 2: Convert to fraction form
9,593,015.74/13,238,394.78 = 5,242,102.12/x - Step 3: Cross multiply
9,593,015.74x = 13,238,394.78 × 5,242,102.12 - Step 4: Simplify right side
9,593,015.74x = 69,397,017,341,634.93 - Step 5: Solve for x
x = 69,397,017,341,634.93/9,593,015.74 - Step 6: Final answer
x = 7,234,118.99
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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.