Finding the Fourth Proportional to 11,408,816.01, 15,744,220.91 and 6,181,822.80
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Solution
The fourth proportional to 11,408,816.01, 15,744,220.91 and 6,181,822.80 is: 8,530,945.16
Step by Step Solution
- Step 1: Write the proportion equation
11,408,816.01 : 15,744,220.91 = 6,181,822.80 : x - Step 2: Convert to fraction form
11,408,816.01/15,744,220.91 = 6,181,822.80/x - Step 3: Cross multiply
11,408,816.01x = 15,744,220.91 × 6,181,822.80 - Step 4: Simplify right side
11,408,816.01x = 97,327,983,726,408.20 - Step 5: Solve for x
x = 97,327,983,726,408.20/11,408,816.01 - Step 6: Final answer
x = 8,530,945.16
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1.5x scale
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.