Finding the Fourth Proportional to 13,288,822.40, 19,933,233.60 and 11,163,058.40
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Solution
The fourth proportional to 13,288,822.40, 19,933,233.60 and 11,163,058.40 is: 16,744,587.60
Step by Step Solution
- Step 1: Write the proportion equation
13,288,822.40 : 19,933,233.60 = 11,163,058.40 : x - Step 2: Convert to fraction form
13,288,822.40/19,933,233.60 = 11,163,058.40/x - Step 3: Cross multiply
13,288,822.40x = 19,933,233.60 × 11,163,058.40 - Step 4: Simplify right side
13,288,822.40x = 222,515,850,777,642.25 - Step 5: Solve for x
x = 222,515,850,777,642.25/13,288,822.40 - Step 6: Final answer
x = 16,744,587.60
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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.