Finding the Fourth Proportional to 11,193,448.30, 16,794,319.65 and 10,778,728.30
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Solution
The fourth proportional to 11,193,448.30, 16,794,319.65 and 10,778,728.30 is: 16,172,086.00
Step by Step Solution
- Step 1: Write the proportion equation
11,193,448.30 : 16,794,319.65 = 10,778,728.30 : x - Step 2: Convert to fraction form
11,193,448.30/16,794,319.65 = 10,778,728.30/x - Step 3: Cross multiply
11,193,448.30x = 16,794,319.65 × 10,778,728.30 - Step 4: Simplify right side
11,193,448.30x = 181,021,408,490,701.09 - Step 5: Solve for x
x = 181,021,408,490,701.09/11,193,448.30 - Step 6: Final answer
x = 16,172,086.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.