Finding the Fourth Proportional to 12,070,410.09, 16,656,833.75 and 6,637,902.09
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Solution
The fourth proportional to 12,070,410.09, 16,656,833.75 and 6,637,902.09 is: 9,160,122.21
Step by Step Solution
- Step 1: Write the proportion equation
12,070,410.09 : 16,656,833.75 = 6,637,902.09 : x - Step 2: Convert to fraction form
12,070,410.09/16,656,833.75 = 6,637,902.09/x - Step 3: Cross multiply
12,070,410.09x = 16,656,833.75 × 6,637,902.09 - Step 4: Simplify right side
12,070,410.09x = 110,566,431,561,907.53 - Step 5: Solve for x
x = 110,566,431,561,907.53/12,070,410.09 - Step 6: Final answer
x = 9,160,122.21
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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.