Finding the Fourth Proportional to 19,511,182.23, 29,268,572.38 and 6,380,668.21
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Solution
The fourth proportional to 19,511,182.23, 29,268,572.38 and 6,380,668.21 is: 9,571,590.65
Step by Step Solution
- Step 1: Write the proportion equation
19,511,182.23 : 29,268,572.38 = 6,380,668.21 : x - Step 2: Convert to fraction form
19,511,182.23/29,268,572.38 = 6,380,668.21/x - Step 3: Cross multiply
19,511,182.23x = 29,268,572.38 × 6,380,668.21 - Step 4: Simplify right side
19,511,182.23x = 186,753,049,271,954.44 - Step 5: Solve for x
x = 186,753,049,271,954.44/19,511,182.23 - Step 6: Final answer
x = 9,571,590.65
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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.