Finding the Fourth Proportional to 11,408,816.64, 15,744,221.78 and 6,181,823.42
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Solution
The fourth proportional to 11,408,816.64, 15,744,221.78 and 6,181,823.42 is: 8,530,946.02
Step by Step Solution
- Step 1: Write the proportion equation
11,408,816.64 : 15,744,221.78 = 6,181,823.42 : x - Step 2: Convert to fraction form
11,408,816.64/15,744,221.78 = 6,181,823.42/x - Step 3: Cross multiply
11,408,816.64x = 15,744,221.78 × 6,181,823.42 - Step 4: Simplify right side
11,408,816.64x = 97,327,998,937,729.53 - Step 5: Solve for x
x = 97,327,998,937,729.53/11,408,816.64 - Step 6: Final answer
x = 8,530,946.02
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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.