Finding the Fourth Proportional to 11,193,446.80, 16,794,317.40 and 10,778,726.80
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Solution
The fourth proportional to 11,193,446.80, 16,794,317.40 and 10,778,726.80 is: 16,172,083.75
Step by Step Solution
- Step 1: Write the proportion equation
11,193,446.80 : 16,794,317.40 = 10,778,726.80 : x - Step 2: Convert to fraction form
11,193,446.80/16,794,317.40 = 10,778,726.80/x - Step 3: Cross multiply
11,193,446.80x = 16,794,317.40 × 10,778,726.80 - Step 4: Simplify right side
11,193,446.80x = 181,021,359,047,086.31 - Step 5: Solve for x
x = 181,021,359,047,086.31/11,193,446.80 - Step 6: Final answer
x = 16,172,083.75
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1.5x scale
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.