Finding the Fourth Proportional to 18,463,877.54, 25,480,230.05 and 10,091,416.42
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Solution
The fourth proportional to 18,463,877.54, 25,480,230.05 and 10,091,416.42 is: 13,926,197.86
Step by Step Solution
- Step 1: Write the proportion equation
18,463,877.54 : 25,480,230.05 = 10,091,416.42 : x - Step 2: Convert to fraction form
18,463,877.54/25,480,230.05 = 10,091,416.42/x - Step 3: Cross multiply
18,463,877.54x = 25,480,230.05 × 10,091,416.42 - Step 4: Simplify right side
18,463,877.54x = 257,131,611,873,475.38 - Step 5: Solve for x
x = 257,131,611,873,475.38/18,463,877.54 - Step 6: Final answer
x = 13,926,197.86
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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.