Finding the Fourth Proportional to 9,462,799.08, 13,058,649.90 and 5,388,418.08
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Solution
The fourth proportional to 9,462,799.08, 13,058,649.90 and 5,388,418.08 is: 7,436,009.64
Step by Step Solution
- Step 1: Write the proportion equation
9,462,799.08 : 13,058,649.90 = 5,388,418.08 : x - Step 2: Convert to fraction form
9,462,799.08/13,058,649.90 = 5,388,418.08/x - Step 3: Cross multiply
9,462,799.08x = 13,058,649.90 × 5,388,418.08 - Step 4: Simplify right side
9,462,799.08x = 70,365,465,221,550.20 - Step 5: Solve for x
x = 70,365,465,221,550.20/9,462,799.08 - Step 6: Final answer
x = 7,436,009.64
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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.