Finding the Fourth Proportional to 17,120,518.64, 25,673,312.44 and 6,475,485.68
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Solution
The fourth proportional to 17,120,518.64, 25,673,312.44 and 6,475,485.68 is: 9,710,404.84
Step by Step Solution
- Step 1: Write the proportion equation
17,120,518.64 : 25,673,312.44 = 6,475,485.68 : x - Step 2: Convert to fraction form
17,120,518.64/25,673,312.44 = 6,475,485.68/x - Step 3: Cross multiply
17,120,518.64x = 25,673,312.44 × 6,475,485.68 - Step 4: Simplify right side
17,120,518.64x = 166,247,167,063,385.88 - Step 5: Solve for x
x = 166,247,167,063,385.88/17,120,518.64 - Step 6: Final answer
x = 9,710,404.84
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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.