Finding the Fourth Proportional to 9,481,712.67, 13,084,798.16 and 5,130,798.99
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Solution
The fourth proportional to 9,481,712.67, 13,084,798.16 and 5,130,798.99 is: 7,080,521.37
Step by Step Solution
- Step 1: Write the proportion equation
9,481,712.67 : 13,084,798.16 = 5,130,798.99 : x - Step 2: Convert to fraction form
9,481,712.67/13,084,798.16 = 5,130,798.99/x - Step 3: Cross multiply
9,481,712.67x = 13,084,798.16 × 5,130,798.99 - Step 4: Simplify right side
9,481,712.67x = 67,135,469,158,027.86 - Step 5: Solve for x
x = 67,135,469,158,027.86/9,481,712.67 - Step 6: Final answer
x = 7,080,521.37
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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.