Finding the Fourth Proportional to 7,501,712.13, 11,240,266.12 and 3,180,309.48
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Solution
The fourth proportional to 7,501,712.13, 11,240,266.12 and 3,180,309.48 is: 4,765,248.82
Step by Step Solution
- Step 1: Write the proportion equation
7,501,712.13 : 11,240,266.12 = 3,180,309.48 : x - Step 2: Convert to fraction form
7,501,712.13/11,240,266.12 = 3,180,309.48/x - Step 3: Cross multiply
7,501,712.13x = 11,240,266.12 × 3,180,309.48 - Step 4: Simplify right side
7,501,712.13x = 35,747,524,891,208.04 - Step 5: Solve for x
x = 35,747,524,891,208.04/7,501,712.13 - Step 6: Final answer
x = 4,765,248.82
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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.