Finding the Fourth Proportional to 11,925,197.24, 16,455,942.06 and 6,768,663.80
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Solution
The fourth proportional to 11,925,197.24, 16,455,942.06 and 6,768,663.80 is: 9,340,284.87
Step by Step Solution
- Step 1: Write the proportion equation
11,925,197.24 : 16,455,942.06 = 6,768,663.80 : x - Step 2: Convert to fraction form
11,925,197.24/16,455,942.06 = 6,768,663.80/x - Step 3: Cross multiply
11,925,197.24x = 16,455,942.06 × 6,768,663.80 - Step 4: Simplify right side
11,925,197.24x = 111,384,739,316,419.42 - Step 5: Solve for x
x = 111,384,739,316,419.42/11,925,197.24 - Step 6: Final answer
x = 9,340,284.87
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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.